查询词典 plunger

In consideration of thread fracture of 3515-type plunger pump head widely used in oilfield,the failure analysis is given.

针对在油田广泛应用的3515型柱塞泵液力端一体泵头体存在的螺纹断裂问题，进行失效分析，提出3种改进结构，有广泛的应用前景和市场效益。

Application of soft plunger pump with hydraulic start-up in sand producing block［J］.

液力启动软柱塞抽油泵在出砂区块生产中的应用［J］。

Select and optimize pump barrel and plunger surface treatment material and the purpose is to make the tribological system, minimizing the amount of corrosion and wear.

选择并优化泵筒和柱塞材料和表面处理工艺的目的是让这个摩擦学系统的腐蚀磨损量达到最小。

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.

国内油田大部分已入入了高含水开发期，常规柱塞抽油泵是主要的采油方式之一。

The effect of analyzing the electrical plunger pump of airplane which is one of the most important loads,is very significant.

燃油系统作为飞机配电系统的重要负载，地位特殊，作用重大。

Under normal circumstances, hydraulic components are not interchangeable with the couplings, but in practice some redeployment of the plunger pump repair is feasible.

通常情况下，液压元件的配合偶件是不能互换的，但在实际中有的中开泵泵重新调配柱塞进行修复是可行的。

The fluid end of the plunger pump was analyzed with three-dimensional finite element method,and the distribution law of stress at the fluid end was obtained.

对某柱塞泵泵头体进行了三维有限元分析，获得了泵头体的应力分布规律，并应用ANSYS软件对泵头体的结构进行了优化，为类似的壳体零件的优化设计提供了依据。

Under normal circumstances,hydraulic components are not interchangeable with the couplings,but in practice some redeployment of the plunger pump repair is feasible.

通常情况下，液压元件的配合偶件是不克不及互换的，但在实际中有的中开泵泵重新调配柱塞进行修复是可行的。

The pump barrel and plunger wear their corrosion from the chemical composition of materials mechanical properties, mutual relations campaign, working environment and conditions and other factors.

而螺杆泵泵筒和柱塞各自的腐蚀磨损量则由构成材料的物理机械化学性能、相互运动关系、工作环境和条件等因素决定。

The cylinder and plunger pump corrosion and wear their own constitute a material amount of the chemical mechanical properties, mutual relations exercise, the working environment and conditions and other factors.

而泵筒和柱塞各自的腐蚀磨损量则由构成材料的物理机械化学性能、相互运动关系、工作环境和条件等因素决定。

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。