查询词典 plunger

First, common pump problems: China's oil fields now use the plunger and pump barrel to more than gaps between the main seal.

一、常用抽油泵存在的问题：现在我国各油田使用的柱塞和泵筒间多以间隙密封为主。

Most of the domestic oil field has entered a period of high water-cut development, conventional plunger pump is the main oil production one of the ways.

国内油田大部分已进入了高含水开发期，常规柱塞抽油泵是主要的采油方式之一。

First common pump problems: China's oil fields now use the plunger and pump barrel to more than gaps between the main seal.

一、常用抽油泵具有的问题：现在我国各油田使用的柱塞和泵筒间多以间隙密封为主。

Final point of view from the pump, pump barrel and plunger of the materials and surface treatment of choice in deciding the wear of the tribological system, the determinants of corrosion.

最终从抽油泵角度上看，泵筒和柱塞的材料和表面处理工艺的选择成为决定这个摩擦学系统腐蚀磨损量的决定因素。

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。

According to the statistics show that the valve plunger pump cover up failure of the more prominent, and its failure mode of the main fracture.

据统计资料表明，柱塞抽油泵上阀罩失效情况较突出，其失效形式主要为断裂。

The performance and working life of the seals of drilling mud pump plunger will have a direct impact on the working behavior and quality of the high-pressure mud pump.

钻井泥浆泵柱塞密封性能的好坏与使用寿命的长短直接影响到高压泥浆泵的工作性能及质量。

Observed in simulation, three kinds of structural design and components sealed lips of special design to prevent the micro-fine sand into the plunger 2 within the pump barrel Friction.

模拟试验中观察，3种密封的结构设计和组件的特种唇边设计，阻止了微细砂进入柱塞2泵筒摩擦副内。

Our company specializes in production of fuel injection precision coupling products .including nozzle, plunger, delivery valve, pump head, repair packs and so on.

我公司专业生产燃油喷射精密偶件，产品包括喷油嘴、柱塞、出油阀、泵头、修理包等。

The layer is thin enough to allow it to be positioned between the plungers on a plunger mat and the keys on a key mat of the mobile station.

一种移动台的薄膜层，其可容易地改变移动台的外观，该层足够薄，允许其位于移动台的柱塞座柱塞和键垫的键之间。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。