piston valve
短语词组
- Piston reducing valve 活塞式减压阀;活塞昵减压阀;活塞式降低压力阀;活塞昵
- piston air valve 活塞式空气阀;活塞气阀
- piston governor valve cage 活塞调节阀座
- Inclined piston check valve 斜板活塞止回阀
- piston type valve 柱塞阀
- piston -valve induction [机]活塞阀进气
- load piston check valve 负荷柱塞单向阀
- piston governor valve 活塞调节阀
- piston slide valve 活塞式滑阀;活塞滑阀 返回 piston valve