99久久久无码国产精品不卡,国产成人无码AV,国产免费又色又爽粗视频,性色AV浪潮AV色欲AV一区

歡迎光臨上海維特銳實業(yè)發(fā)展有限公司
主頁 > 新聞動態(tài) > 德國赫斯曼交換機MACH4000
新聞動態(tài)
德國赫斯曼交換機MACH4000

交換機是一個舶來詞,源自英文Switch,原意是開關(guān),我國技術(shù)界在引入這個詞匯時,翻譯為交換。在英文中,動詞交換和名詞交換機是同一個詞(注意這里的交換特指電信技術(shù)中的信號交換,與物品交換不是同一個概念)。   1993年,局域網(wǎng)交換設(shè)備出現(xiàn),1994年,國內(nèi)掀起了交換網(wǎng)絡(luò)技術(shù)的熱潮。其實,交換技術(shù)是一個具有簡化、低價、高性能和口密集特點的交換產(chǎn)品,體現(xiàn)了橋接技術(shù)的復雜交換技術(shù)在OSI參考模型的第二層操作。與橋接器一樣,交換機按每一個包中的MAC地址相對簡單地決策信息轉(zhuǎn)發(fā)。而這種轉(zhuǎn)發(fā)決策一般不考慮包中隱藏的更深的其他信息。與橋接器不同的是交換機轉(zhuǎn)發(fā)延遲很小,操作接近單個局域網(wǎng)性能,遠遠超過了普通橋接互

常用型號:
全電口
RS20-0400T1T1SDAEHC         (4×RJ45,0℃至+60℃標準溫度,網(wǎng)管增強型)
RS20-0400T1T1SDAPHC         (4×RJ45,0℃至+60℃標準溫度,網(wǎng)管專業(yè)版)
RS20-0800T1T1SDAEHC         (8×RJ45,0℃至+60℃標準溫度,網(wǎng)管增強型)
RS20-0800T1T1SDAPHC         (8×RJ45,0℃至+60℃標準溫度,網(wǎng)管專業(yè)版)
RS20-1600T1T1SDAEHC         (16×RJ45,0℃至+60℃標準溫度,網(wǎng)管增強型)
RS20-1600T1T1SDAPHC         (16×RJ45,0℃至+60℃標準溫度,網(wǎng)管專業(yè)版)
RS20-2400T1T1SDAEHC         (24×RJ45,0℃至+60℃標準溫度,網(wǎng)管增強型)
RS20-2400T1T1SDAPHC         (24×RJ45,0℃至+60℃標準溫度,網(wǎng)管專業(yè)版)
多模光纖
RS20-0400M2T1SDAEHC         (3×RJ45 1×SC,0℃至+60℃標準溫度,網(wǎng)管增強型)
RS20-0400M2T1SDAPHC         (3×RJ45 1×SC,0℃至+60℃標準溫度,網(wǎng)管專業(yè)版)
RS20-0400M2M2SDAEHC         (2×RJ45 2×SC,0℃至+60℃標準溫度,網(wǎng)管增強型)
RS20-0400M2M2SDAPHC         (2×RJ45 2×SC,0℃至+60℃標準溫度,網(wǎng)管專業(yè)版)
RS20-0800M2M2SDAEHC         (6×RJ45 2×SC,0℃至+60℃標準溫度,網(wǎng)管增強型)
RS20-0800M2M2SDAPHC         (6×RJ45 2×SC,0℃至+60℃標準溫度,網(wǎng)管專業(yè)版)
RS20-0800M4M4SDAEHC         (6×RJ45 2×ST,0℃至+60℃標準溫度,網(wǎng)管增強型)
RS20-0800M4M4SDAPHC         (6×RJ45 2×ST,0℃至+60℃標準溫度,網(wǎng)管專業(yè)版)
RS20-1600M2T1SDAEHC         (15×RJ45 1×SC,0℃至+60℃標準溫度,網(wǎng)管增強型)
RS20-1600M2T1SDAPHC         (15×RJ45 1×SC,0℃至+60℃標準溫度,網(wǎng)管專業(yè)版)
RS20-1600M2M2SDAEHC         (14×RJ45 2×SC,0℃至+60℃標準溫度,網(wǎng)管增強型)
RS20-1600M2M2SDAPHC         (14×RJ45 2×SC,0℃至+60℃標準溫度,網(wǎng)管專業(yè)版)
RS20-2400M2M2SDAEHC         (22×RJ45 2×SC,0℃至+60℃標準溫度,網(wǎng)管增強型)
RS20-2400M2M2SDAPHC         (22×RJ45 2×SC,0℃至+60℃標準溫度,網(wǎng)管專業(yè)版)
單模光纖
RS20-0400S2T1SDAEHC         (3×RJ45 1×SC,0℃至+60℃標準溫度,網(wǎng)管增強型)
RS20-0400S2T1SDAPHC         (3×RJ45 1×SC,0℃至+60℃標準溫度,網(wǎng)管專業(yè)版)
RS20-0400S2S2SDAEHC         (2×RJ45 2×SC,0℃至+60℃標準溫度,網(wǎng)管增強型)
RS20-0400S2S2SDAPHC         (2×RJ45 2×SC,0℃至+60℃標準溫度,網(wǎng)管專業(yè)版)
RS20-0800S2S2SDAEHC         (6×RJ45 2×SC,0℃至+60℃標準溫度,網(wǎng)管增強型)
RS20-0800S2S2SDAPHC         (6×RJ45 2×SC,0℃至+60℃標準溫度,網(wǎng)管專業(yè)版)
RS20-1600S2S2SDAEHC         (14×RJ45 2×SC,0℃至+60℃標準溫度,網(wǎng)管增強型)
RS20-1600S2S2SDAPHC         (14×RJ45 2×SC,0℃至+60℃標準溫度,網(wǎng)管專業(yè)版)
RS20-2400S2S2SDAEHC         (22×RJ45 2×SC,0℃至+60℃標準溫度,網(wǎng)管增強型)
RS20-2400S2S2SDAPHC         (22×RJ45 2×SC,0℃至+60℃標準溫度,網(wǎng)管專業(yè)版)

常用型號:
全電口
RS30-0802T1T1SDAEHC                                                                                                           (8×10/100RJ45 2×10/100/1000RJ45,0℃至+60℃標準溫度,網(wǎng)管增強型)
RS30-0802T1T1SDAPHC                                                                                                            (8×10/100RJ45 2×10/100/1000RJ45,0℃至+60℃標準溫度,網(wǎng)管專業(yè)版)
RS30-1602T1T1SDAEHC                                                                                                              (16×10/100RJ45 2×10/100/1000RJ45,0℃至+60℃標準溫度,網(wǎng)管增強型)
RS30-1602T1T1SDAPHC                                                                                                          (16×10/100RJ45 2×10/100/1000RJ45,0℃至+60℃標準溫度,網(wǎng)管專業(yè)版)
RS30-2402T1T1SDAEHC                                                                                                         (24×10/100RJ45 2×10/100/1000RJ45,0℃至+60℃標準溫度,網(wǎng)管增強型)
RS30-2402T1T1SDAPHC                                                                                                         (24×10/100RJ45 2×10/100/1000RJ45,0℃至+60℃標準溫度,網(wǎng)管專業(yè)版)

光纖上聯(lián)
RS30-0802O6O6SDAEHC                                                                                                          (8×10/100RJ45 2×GigabitSFP,0℃至+60℃標準溫度,網(wǎng)管增強型)
RS30-0802T1T1SDAPHC                                                                                                           (8×10/100RJ45 2×GigabitSFP,0℃至+60℃標準溫度,網(wǎng)管專業(yè)版)
RS30-1602O6O6SDAEHC                                                                                                        (16×10/100RJ45 2×GigabitSFP,0℃至+60℃標準溫度,網(wǎng)管增強型)
RS30-1602T1T1SDAPHC                                                                                                         (16×10/100RJ45 2×GigabitSFP,0℃至+60℃標準溫度,網(wǎng)管專業(yè)版)
RS30-0802O6O6SDAEHC                                                                                                        (24×10/100RJ45 2×GigabitSFP,0℃至+60℃標準溫度,網(wǎng)管增強型)
RS30-0802T1T1SDAPHC                                                                                                         (24×10/100RJ45 2×GigabitSFP,0℃至+60℃標準溫度,網(wǎng)管專業(yè)版)                                                                                                                                          RS40-0009CCCCSDAEHC                                                                                                          (9×10/100/1000 RJ45 4×100/1000 SFP,0℃至+60℃標準溫度,網(wǎng)管增強型)
RS40-0009CCCCSDAPHC                                                                                                         (9×10/100/1000 RJ45 2×100/1000 SFP,0℃至+60℃標準溫度,網(wǎng)管專業(yè)版)
RS40-0009CCCCTDAEHC                                                                                                          (9×10/100/1000 RJ45 4×100/1000 SFP,-40℃至+70℃寬溫型,網(wǎng)管增強型)
RS40-0009CCCCTDAPHC                                                                                                          (9×10/100/1000 RJ45 2×100/1000 SFP,-40℃至+70℃寬溫型,網(wǎng)管專業(yè)版)
RS40-0009CCCCEDAEHC                                                                                                          (9×10/100/1000 RJ45 4×100/1000 SFP,-40℃至+70℃寬溫型,具有保護涂層,網(wǎng)管增強型)
RS40-0009CCCCEDAPHC                                                                                                              (9×10/100/1000 RJ45 2×100/1000 SFP,-40℃至+70℃寬溫型,具有保護涂層,網(wǎng)管專業(yè)版)

 

常用型號:
MS20-0800SAAEHC        (2個任意MM2/MM3模塊,zui大8端口,0℃至+60℃標準溫度,網(wǎng)管增強型)
MS20-0800SAAPHC        (2個任意MM2/MM3模塊,zui大8端口,0℃至+60℃標準溫度,網(wǎng)管專業(yè)版)
MS20-1600SAAEHC        (4個任意MM2/MM3模塊,zui大16端口,0℃至+60℃標準溫度,網(wǎng)管增強型)
                                      (通過MB2T,zui大可擴展到6個任意MM2/MM3模塊,zui大24端口)
MS20-1600SAAPHC        (4個任意MM2/MM3模塊,zui大16端口,0℃至+60℃標準溫度,網(wǎng)管專業(yè)版)
                                      (通過MB2T,zui大可擴展到6個任意MM2/MM3模塊,zui大24端口)
代理銷售赫斯曼交換機代理商@赫斯曼@赫斯曼華南辦事

常用模塊:
MB-2T                                 用于MS20-16,MS30-16和MS4128的擴展底板,可為交換機增加2個模塊插槽。
MM2-4TX1                           4×10/100Mbps RJ45
MM2-4TX1-EEC                   4×10/100Mbps RJ45,寬溫
MM2-4FXM3                        4×100Mbps MM MTRJ
MM2-2FXM2                        2×100Mbps MM SC
MM3-4FXM2                        4×100Mbps MM SC
MM3-4FXM4                        4×100Mbps MM ST
MM3-1FXM2/3TX1               1×100Mbps MM SC,3×10/100Mbps RJ45
MM3-2FXM4/2TX1               2×100Mbps MM ST,2×10/100Mbps RJ45
MM3-2FXM3/2TX1               2×100Mbps MM MTRJ,2×10/100Mbps RJ45
MM3-4FLM4                        4×10Mbps  MM ST
MM3-2FXM2/2TX1               2×100Mbps MM SC,2×10/100Mbps RJ45
MM3-2FXM2/2TX1-EEC        2×100Mbps MM SC,2×10/100Mbps RJ45,寬溫
MM3-1FXM2/1FXS2/2TX1     2×100Mbps MM SC,2×10/100Mbps RJ45
MM2-2FXS2                         2×100Mbps SM SC
MM3-2FXS2/2TX1                2×100Mbps SM SC,2×10/100Mbps RJ45
MM3-2FXS2/2TX1-EEC        2×100Mbps SM SC,2×10/100Mbps RJ45,寬溫
MM3-1FXS2/3TX1                1×100Mbps SM SC,3×10/100Mbps RJ45
MM3-4FXS2                         4×100Mbps SM SC
MM3-1FXL2/3TX1                1×100Mbps SM SC Long Haul,3×10/100Mbps RJ45
MM3-1FXS2/3TX1-EEC        1×100Mbps SM SC,3×10/100Mbps RJ45,寬溫
MM3-1FXM2/1FXS2/2TX1    1×100Mbps SM SC,1×100Mbps MM SC,3×10/100Mbps RJ45
MM4-2TX/SFP                      2×1000Mbps RJ45/SFP(用于MS30-16和MS 4128)
MM4-4TX/SFP                      2×1000Mbps RJ45/SFP(僅用于MS 4128)

常用型號:

MS30-0800SAAEHC        (2個任意MM2/MM3模塊和1個MM4-2TX/SFP,zui大10端口,0℃至+60℃標準溫度,網(wǎng)管增強型)
MS30-0800SAAPHC        (2個任意MM2/MM3模塊和1個MM4-2TX/SFP,zui大10端口,0℃至+60℃標準溫度,網(wǎng)管專業(yè)版)
MS30-1600SAAEHC        (4個任意MM2/MM3模塊和1個MM4-2TX/SFP,zui大18端口,0℃至+60℃標準溫度,網(wǎng)管增強型)
                                      (通過MB2T,zui大可擴展到6個任意MM2/MM3模塊,zui大26端口)
MS30-1600SAAPHC        (4個任意MM2/MM3模塊和1個MM4-2TX/SFP,zui大18端口,0℃至+60℃標準溫度,網(wǎng)管專業(yè)版)
                                      (通過MB2T,zui大可擴展到6個任意MM2/MM3模塊,zui大26端口)

常用模塊:
MB-2T                                 用于MS20-16,MS30-16和MS4128的擴展底板,可為交換機增加2個模塊插槽。
MM2-4TX1                           4×10/100Mbps RJ45
MM2-4TX1-EEC                   4×10/100Mbps RJ45,寬溫
MM2-4FXM3                        4×100Mbps MM MTRJ
MM2-2FXM2                        2×100Mbps MM SC
MM3-4FXM2                        4×100Mbps MM SC
MM3-4FXM4                        4×100Mbps MM ST
MM3-1FXM2/3TX1               1×100Mbps MM SC,3×10/100Mbps RJ45
MM3-2FXM4/2TX1               2×100Mbps MM ST,2×10/100Mbps RJ45
MM3-2FXM3/2TX1               2×100Mbps MM MTRJ,2×10/100Mbps RJ45
MM3-4FLM4                        4×10Mbps  MM ST
MM3-2FXM2/2TX1               2×100Mbps MM SC,2×10/100Mbps RJ45
MM3-2FXM2/2TX1-EEC        2×100Mbps MM SC,2×10/100Mbps RJ45,寬溫
MM3-1FXM2/1FXS2/2TX1     2×100Mbps MM SC,2×10/100Mbps RJ45
MM2-2FXS2                         2×100Mbps SM SC
MM3-2FXS2/2TX1                2×100Mbps SM SC,2×10/100Mbps RJ45
MM3-2FXS2/2TX1-EEC        2×100Mbps SM SC,2×10/100Mbps RJ45,寬溫
MM3-1FXS2/3TX1                1×100Mbps SM SC,3×10/100Mbps RJ45
MM3-4FXS2                         4×100Mbps SM SC
MM3-1FXL2/3TX1                1×100Mbps SM SC Long Haul,3×10/100Mbps RJ45
MM3-1FXS2/3TX1-EEC        1×100Mbps SM SC,3×10/100Mbps RJ45,寬溫
MM3-1FXM2/1FXS2/2TX1    1×100Mbps SM SC,1×100Mbps MM SC,3×10/100Mbps RJ45
MM4-2TX/SFP                      2×1000Mbps RJ45/SFP(用于MS30-16和MS 4128)
MM4-4TX/SFP                      2×1000Mbps RJ45/SFP(僅用于MS 4128)

常用模塊:
MB-2T                                 用于MS20-16,MS30-16和MS4128的擴展底板,可為交換機增加2個模塊插槽。
MM2-4TX1                           4×10/100Mbps RJ45
MM2-4TX1-EEC                   4×10/100Mbps RJ45,寬溫
MM2-4FXM3                        4×100Mbps MM MTRJ
MM2-2FXM2                        2×100Mbps MM SC
MM3-4FXM2                        4×100Mbps MM SC
MM3-4FXM4                        4×100Mbps MM ST
MM3-1FXM2/3TX1               1×100Mbps MM SC,3×10/100Mbps RJ45
MM3-2FXM4/2TX1               2×100Mbps MM ST,2×10/100Mbps RJ45
MM3-2FXM3/2TX1               2×100Mbps MM MTRJ,2×10/100Mbps RJ45
MM3-4FLM4                        4×10Mbps  MM ST
MM3-2FXM2/2TX1               2×100Mbps MM SC,2×10/100Mbps RJ45
MM3-2FXM2/2TX1-EEC        2×100Mbps MM SC,2×10/100Mbps RJ45,寬溫
MM3-1FXM2/1FXS2/2TX1     2×100Mbps MM SC,2×10/100Mbps RJ45
MM2-2FXS2                         2×100Mbps SM SC
MM3-2FXS2/2TX1                2×100Mbps SM SC,2×10/100Mbps RJ45
MM3-2FXS2/2TX1-EEC        2×100Mbps SM SC,2×10/100Mbps RJ45,寬溫
MM3-1FXS2/3TX1                1×100Mbps SM SC,3×10/100Mbps RJ45
MM3-4FXS2                         4×100Mbps SM SC
MM3-1FXL2/3TX1                1×100Mbps SM SC Long Haul,3×10/100Mbps RJ45
MM3-1FXS2/3TX1-EEC        1×100Mbps SM SC,3×10/100Mbps RJ45,寬溫
MM3-1FXM2/1FXS2/2TX1    1×100Mbps SM SC,1×100Mbps MM SC,3×10/100Mbps RJ45
MM4-2TX/SFP                      2×1000Mbps RJ45/SFP(用于MS30-16和MS 4128)
MM4-4TX/SFP                      2×1000Mbps RJ45/SFP(僅用于MS 4128)

 

常用模塊:
MB-2T                                 用于MS20-16,MS30-16和MS4128的擴展底板,可為交換機增加2個模塊插槽。
MM2-4TX1                           4×10/100Mbps RJ45
MM2-4TX1-EEC                   4×10/100Mbps RJ45,寬溫
MM2-4FXM3                        4×100Mbps MM MTRJ
MM2-2FXM2                        2×100Mbps MM SC
MM3-4FXM2                        4×100Mbps MM SC
MM3-4FXM4                        4×100Mbps MM ST
MM3-1FXM2/3TX1               1×100Mbps MM SC,3×10/100Mbps RJ45
MM3-2FXM4/2TX1               2×100Mbps MM ST,2×10/100Mbps RJ45
MM3-2FXM3/2TX1               2×100Mbps MM MTRJ,2×10/100Mbps RJ45
MM3-4FLM4                        4×10Mbps  MM ST
MM3-2FXM2/2TX1               2×100Mbps MM SC,2×10/100Mbps RJ45
MM3-2FXM2/2TX1-EEC        2×100Mbps MM SC,2×10/100Mbps RJ45,寬溫
MM3-1FXM2/1FXS2/2TX1     2×100Mbps MM SC,2×10/100Mbps RJ45
MM2-2FXS2                         2×100Mbps SM SC
MM3-2FXS2/2TX1                2×100Mbps SM SC,2×10/100Mbps RJ45
MM3-2FXS2/2TX1-EEC        2×100Mbps SM SC,2×10/100Mbps RJ45,寬溫
MM3-1FXS2/3TX1                1×100Mbps SM SC,3×10/100Mbps RJ45
MM3-4FXS2                         4×100Mbps SM SC
MM3-1FXL2/3TX1                1×100Mbps SM SC Long Haul,3×10/100Mbps RJ45
MM3-1FXS2/3TX1-EEC        1×100Mbps SM SC,3×10/100Mbps RJ45,寬溫
MM3-1FXM2/1FXS2/2TX1    1×100Mbps SM SC,1×100Mbps MM SC,3×10/100Mbps RJ45
MM4-2TX/SFP                      2×1000Mbps RJ45/SFP(用于MS30-16和MS 4128)
MM4-4TX/SFP                      2×1000Mbps RJ45/SFP(僅用于MS 4128)

常用模塊:
MB-2T                                 用于MS20-16,MS30-16和MS4128的擴展底板,可為交換機增加2個模塊插槽。
MM2-4TX1                           4×10/100Mbps RJ45
MM2-4TX1-EEC                   4×10/100Mbps RJ45,寬溫
MM2-4FXM3                        4×100Mbps MM MTRJ
MM2-2FXM2                        2×100Mbps MM SC
MM3-4FXM2                        4×100Mbps MM SC
MM3-4FXM4                        4×100Mbps MM ST
MM3-1FXM2/3TX1               1×100Mbps MM SC,3×10/100Mbps RJ45
MM3-2FXM4/2TX1               2×100Mbps MM ST,2×10/100Mbps RJ45
MM3-2FXM3/2TX1               2×100Mbps MM MTRJ,2×10/100Mbps RJ45
MM3-4FLM4                        4×10Mbps  MM ST
MM3-2FXM2/2TX1               2×100Mbps MM SC,2×10/100Mbps RJ45
MM3-2FXM2/2TX1-EEC        2×100Mbps MM SC,2×10/100Mbps RJ45,寬溫
MM3-1FXM2/1FXS2/2TX1     2×100Mbps MM SC,2×10/100Mbps RJ45
MM2-2FXS2                         2×100Mbps SM SC
MM3-2FXS2/2TX1                2×100Mbps SM SC,2×10/100Mbps RJ45
MM3-2FXS2/2TX1-EEC        2×100Mbps SM SC,2×10/100Mbps RJ45,寬溫
MM3-1FXS2/3TX1                1×100Mbps SM SC,3×10/100Mbps RJ45
MM3-4FXS2                         4×100Mbps SM SC
MM3-1FXL2/3TX1                1×100Mbps SM SC Long Haul,3×10/100Mbps RJ45
MM3-1FXS2/3TX1-EEC        1×100Mbps SM SC,3×10/100Mbps RJ45,寬溫
MM3-1FXM2/1FXS2/2TX1    1×100Mbps SM SC,1×100Mbps MM SC,3×10/100Mbps RJ45
MM4-2TX/SFP                      2×1000Mbps RJ45/SFP(用于MS30-16和MS 4128)
MM4-4TX/SFP                      2×1000Mbps RJ45/SFP(僅用于MS 4128)

MS系列交換機常用型號:

MS20
MS20-0800SAAEHC        (2個任意MM2/MM3模塊,zui大8端口,0℃至+60℃標準溫度,網(wǎng)管增強型)
MS20-0800SAAPHC        (2個任意MM2/MM3模塊,zui大8端口,0℃至+60℃標準溫度,網(wǎng)管專業(yè)版)
MS20-1600SAAEHC        (4個任意MM2/MM3模塊,zui大16端口,0℃至+60℃標準溫度,網(wǎng)管增強型)
                                      (通過MB2T,zui大可擴展到6個任意MM2/MM3模塊,zui大24端口)
MS20-1600SAAPHC        (4個任意MM2/MM3模塊,zui大16端口,0℃至+60℃標準溫度,網(wǎng)管專業(yè)版)
                                      (通過MB2T,zui大可擴展到6個任意MM2/MM3模塊,zui大24端口)

MS30
MS30-0800SAAEHC        (2個任意MM2/MM3模塊和1個MM4-2TX/SFP,zui大10端口,0℃至+60℃標準溫度,網(wǎng)管增強型)
MS30-0800SAAPHC        (2個任意MM2/MM3模塊和1個MM4-2TX/SFP,zui大10端口,0℃至+60℃標準溫度,網(wǎng)管專業(yè)版)
MS30-1600SAAEHC        (4個任意MM2/MM3模塊和1個MM4-2TX/SFP,zui大18端口,0℃至+60℃標準溫度,網(wǎng)管增強型)
                                      (通過MB2T,zui大可擴展到6個任意MM2/MM3模塊,zui大26端口)
MS30-1600SAAPHC        (4個任意MM2/MM3模塊和1個MM4-2TX/SFP,zui大18端口,0℃至+60℃標準溫度,網(wǎng)管專業(yè)版)
                                      (通過MB2T,zui大可擴展到6個任意MM2/MM3模塊,zui大26端口)

MS4128
MS4128-L2P                   (4個任意MM2/MM3模塊和1個任意MM4,zui大20端口,0℃至+60℃標準溫度,2層網(wǎng)管專業(yè)版)
                                      (通過MB2T,zui大可擴展到6個任意MM2/MM3模塊,zui大28端口)
MS4128-L3E                   (4個任意MM2/MM3模塊和1個任意MM4,zui
大20端口,0℃至+60℃標準溫度,3層網(wǎng)管增強版)

  • © 2019 上海維特銳實業(yè)發(fā)展有限公司(671386.com) 版權(quán)所有 技術(shù)支持:化工儀器網(wǎng)
  • 電 話:13795311481 傳 真:021-52500777 QQ號碼:2852785350 郵 箱:3250014860@qq.com 地 址:上海市普陀區(qū)中江路889號曹楊商務(wù)大廈1501-1504室 備案號:滬ICP備13015955號-26 總訪問量:381775
  • 本公司(671386.com)主營:KRACHT克拉克流量計、KRACHT克拉克 HYDAC壓力傳感器、HYDAC繼電器 ,KRACHT流量計及齒輪泵,VSE流量計,ACE,RICKMEIER齒輪泵及泵組,MTS位移傳感器,Lincoln潤滑系列,ATOS全系列,賀德克傳感器及濾芯
在線客服 聯(lián)系方式

服務(wù)熱線

13795311481

日韩精品无码熟人妻视频| 欧美AV在线观看| 亚洲免费在线观看| 最近2019年日本中文免费字幕| 亚洲中久无码永久在线观看同 | 又色又爽又黄又粗暴的小说| 一本大道无码人妻精品专区| 无码专区一VA亚洲V专区在线| 宫交H打桩HH灌尿| 老熟妇高潮一区二区三区| japanesefreel体内精日本| 欧美又色又爽又黄的视频| 全部删除看过的历史记录| 18禁免费无码无遮挡不卡网站| 免费午夜爽爽爽WWW视频十八禁| 性做久久久久久久久| 精品亚洲AV无码国产一区在线| 久久久久亚洲AV无码观看| 久久精品国产亚洲AV麻豆色欲 | 女朋友水太多进去就软了| 欧美人妻一区二区三区| 国产传媒18精品免费观看| 被老乞丐巨大肮脏粗暴破苞| 爽欲亲伦96部分| 粉红理论泰剧| 欧美成人电影| 成人片色情免费观看网站 | 最近中文字幕无吗高清| 国产人妻高清国产拍精品| 日本美女图片| 精品人妻中文无码AV在线| 成人免费看吃奶视频网站| 性饥渴XXHD麻木XXHD| 一本色道久久爱久久综合网| 三男三女换着曰| 秘书在办公室被躁到高潮| 隔壁邻居是巨爆乳寡妇| 亚洲 日韩 欧美 综合 热| 玩弄人妻少妇500系列| 97性无码区免费| 18禁裸男晨勃露J毛免费观看|