查询词典 pendulum pump

The current developments of rod pump test equipment and hydraulic control system is introduced. Several rod pump test equipments are analysesed.

第一章阐述了研究意义以及目前国内外有杆泵测试领域及相似领域的现状，介绍了与液压伺服机系统相关的研究领域的现状。

Second, the flow of centrifugal pump components of the flow of centrifugal pump components are: inhalation room, impeller, the pressure to room in three parts.

二、离心泵的过流部件离心泵的过流部件有：吸入室，叶轮，压出室三个部分。

Compared with the conventional deep well pump, this pump is simple in structure, light and cheap.

同常规深井泵比较，该泵具有较强的耐磨防砂、防卡性能；同常用的防砂卡泵比较，该泵具有结构简单、质量轻、价格低等特点。

The mud pump is a kind of the reciprocating pump.

泥浆泵是往复泵的一种。

An approach to the fault identification of pump valves of a reciprocation pump by wavelet transform is presented in the paper.

探讨了小波变换在往复泵泵阀故障识别中的应用。

Response time was the design, I design,"a high pressure pump-valve-cylinder non-recovery of integrated power detection device design" This system can detect pump, valve, cylinder and the basic performance indicators can do right cylinder Test.

针对被次设计，我主要设计"中高压泵-阀-缸非功率回收综合检测装置的设计"，此系统，能检测泵，阀，缸的各项基本性能指标，还能对缸做耐压试验。

The second is a special bond with the Road Agent will be in full closed (sealed expansion ring outside diameter less than diameter of the plunger body) state seal, with the sucker rod string and then go down the plunger, the plunger into the After the pump barrel and pump the same as rotating the impulse from the ordinary because of the improved Baptist slot only temporary pressure seal forms, go down soon after the sand to achieve sealing and resistance functions.

而其余各道密封在柱塞下入泵筒中2~7d内也全部打开。

The 60%, s fibre lengththat 5 , by way of the ability suspension anything small and roundish diameter is the pump bore is 5 times of the pump bore .

通过能力悬浮颗粒直径为泵口径的60%，纤维长度为泵口径的5倍。

The method is right 58 patients among them 36 acute cardiac muscle straightens dead , stalk of 22 dated cardiac muscle is dead spends heart function again not complete patient, minim pump pump is combined into saltpetre general natrium much cling to drop of small dose of Min of · of G/kg of amine 1.0~3.0 μ is noted, maintain blood pressure to be between 90~120/60~80 Mm Hg, observe heartbeat, blood pressure and heart function improve circumstance and harmful response.

方法对58例患者其中36例急性心肌梗死，22例陈旧心肌梗死重度心功能不全患者，微量泵泵入硝普钠联合多巴胺1.0~3.0μg/小剂量滴注，维持血压在90~120/60~80 mm Hg之间，观察心率、血压及心功能改善情况以及不良反应。

Sand production at oil wells on conventional plunger pump plunger often sand, sand buried rod, tube and plunger pumps sanding situation, etc., so that premature pump failure.

在出砂油井上，常规柱塞抽油泵时常出现砂卡柱塞、砂埋抽油杆、砂磨泵筒和柱塞等现象，使抽油泵过早掉效。

In the chapter 2, the theoretic knowledge about the photosensitive resin and the grinding tools was firstly introduced.

第二章阐述了光固化树脂结合剂磨具的相关理论研究。

Do not use the program's indenting or margin-setting features; these will be added during typesetting.

不要使用缩排，页面边缘设置之类的选项，偶看不大懂。