plunger-type valves

The structure, principle and application of plunger-type valves at gas station are introduced.

介绍了柱塞阀的结构、工作原理及其在煤气站的应用。

Establishment of dynamic model for plunger gas lift;

柱塞气举动态模型的建立

Development and application of auto - compensation soft plunger pump;

自补偿式软柱塞泵的研制与应用

Analyses on motion law of piston of constant flow pump for polymer injection;

注聚合物用恒流量往复泵柱塞运动规律分析

Application of ceramic coating on the surface of the piston;

陶瓷涂层在柱塞上的应用