您要查找的是不是：
- PE閥門(mén)polyethylene valves
- 閥門(mén)valve
- 電動(dòng)閥門(mén)electrically operated valve
- PEpolyethylene (PE)
- 水閥門(mén)penstock
- PE管PE pipe
- 擰緊閥門(mén)to pack valves
- PE線(xiàn)PE line
- PE蠟PE wax
- 他很快查到了出毛病的閥門(mén)。He soon detected the faulty valve.
- PE-RTPE-RT
- 上述各數值是指在不連接閥門(mén)的情況下執行機構的性能。The above data represent the performance of the positioner on an actuator without a valve.
- UHMW-PEUHMW-PE
- 閥門(mén)開(kāi)度valve opening
- PE管道PE pipeline
- 管道閥門(mén)pipeline valve
- PE文件PE file
- 安全閥門(mén)座safety valve seat
- PE病毒PE virus
- 暗桿閥門(mén)ono-rising-stem valve
