...封结构，按照客户需要可设计成单活塞效应（Single piston action），压力自泄放密封座结构和双活塞效应（Double Piston effect）双重密封结构。单活塞效应即进口端密封，出口端腔体压力自动排放。
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Based on the theory of hydrostatic bearing, the piston pairs of double-damping effect were presented to improve its anti-chucking ability.
基于静压支承的思想，提出双阻尼效应柱塞副来提高其抗卡紧能力。
Mud pump Classification mud sub-single-effect and two types of double acting, single acting mud pump piston reciprocating in a cycle of action only to complete a suction drain.
泥浆泵分类泥浆泵分单作用及双作用两种型式﹐单作用式泥浆泵在活塞往复活动的一个循环中仅完成一次吸排水行动。
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