two-piston reciprocating pump 双活塞往复泵 ; 双活塞来去泵
two rotor radial piston pump 双转子径向活塞泵
two-piston pump 双柱塞泵
two-rod piston 双活塞杆的活塞
two ring piston 双环式活塞
opposed-piston two-stroke 对置活塞二冲程
two rod piston 双活塞杆的活塞
two piece piston 组合式活塞
two-piece piston 拼合式活塞
There are two compression rings for the piston group which guarantees good sealing performance and accurate valve timing.
活塞组采用两道压缩环，密封能力强、配气定时准确；
Two coils move a piston back and forth magnetically at a constant force.
两组线圈在一个连续电磁力的作用下来回移动一个微型活塞。
The yield of a natural gas well in an oilfield dropped suddenly, which was due to the piston sheath of the choke valve breaking into three parts with two pairs of fractures after inspection.
某油田一天然气井的产量突然下降，经检查发现该井采气装置中的节流阀柱塞套断裂为三截，形成了两对断口。
应用推荐