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1·The defect of plunger type RTM machine is analyzed in this paper.

本文分析了活塞式rtm机存在的一些缺陷。

2·The invention relates to a metering pump, in particular to a plunger type metering pump.

本发明涉及一种计量泵，具体为一种柱塞式计量泵泵头。

3·Which do hydraulic jack's overhaul matters needing attention have? The hydraulic jack is the double-acting plunger type.

液压千斤顶的检修注意事项有哪些？液压千斤顶均为双作用活塞式。

4·A plunger type quantitative lead pump belongs to the technology field of special pumps and is used for solving the problems with the lead pump, including high rate of wear and short service life.

一种柱塞式定量铅液泵，属特种泵技术领域，用于解决铅液泵磨损速度快、寿命低的问题。

5·Aimed to decrease damping coefficient and enhance pump's dynamic performance, a method for reducing the radial plunger pump stator forces was developed by analyzing the type JBP-63 pump stator forces.

为了降低阻尼系数进一步提高泵的动态性能，通过对JBP-63型径向柱塞变量泵定子受力仿真分析，研究了减小径向柱塞液压泵的定子不平衡力的方法。

6·The most common type USES spring tension and pressure against a plunger to maintain the pressure.

最常用的一种回压阀使用弹簧张力和对柱塞的压力来保持压力。

7·One new type of internal combustion oil hydraulic power system was put forward, which integrated the technologies of internal combustion engine and oil plunger pump.

提出了一种新型内燃式油压动力系统，该系统集成了内燃机与柱塞式液压泵技术。

8·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。

9·The shortcoming of top valve housing for standard type oil well pump plunger is wear and rupture of oil flow pore wall.

标准型抽油泵柱塞上阀罩的工作缺陷是出油孔壁磨损断裂。

10·In accordance with this circumstance, a new type of oil well pump has been designed and developed - auto - compensation soft plunger pump.

针对这种情况，设计研制了一种新型井下抽油泵——自补偿式软柱塞泵。