查询词典 screw pump

The Company's production in China has three screw pump oil, asphalt roads, chemicals, power, machine tools, chemical fiber, metallurgy, shipbuilding and other industrial sectors have a wider application, and was well received.

本公司生产的三螺杆泵已在我国石油、公路沥青、化工、电力、机床、化纤、冶金、造船等工业部门得到较广泛的应用，并得到一致好评。

Three-screw pump for delivery of fuel oil, lubricating oil, hydraulic oil, crude oil, asphalt and other similar liquid lubricating oil.

三螺杆泵适用于输送燃料油、润滑油、液压油、原油、沥青及其他类似油的润滑性液体。

And diaphragm compared to single-screw pump can transport all kinds of mixed impurity containing gas and solid particles or fibers of the media, but also transport all kinds of corrosive substances.

和隔膜泵相比，单螺杆泵可输送各种混合杂质，含有气体及固体颗粒或纤维的介质，也可输送各种腐蚀性物质。

The linetype design of triple helix single screw pump is that a short-amplitude cycloid is used as the primary gear form for stator and the conjuration gear form is used on rotor on the basis of the analysis and comparison of all kinds of cycloids.

在对各种摆线分析比较的基础上，提出了采用短幅内摆线作为原始齿形曲线用于定子，其共轭曲线用于转子的三头单螺杆泵线型设计方法。

With regard to the question how to cut the helical camber of screw-pump and spiral rod drilling tool in the field of petroleum machine and chemical machine, this paper firstly puts forward the cutting method how to apply the milling with non-instantaneous-pole envelope principle with plate milling cutter in our country.

本论文针对石油、化工机械领域螺杆泵、螺杆钻具转子的螺旋曲面切削加工问题，在国内首次提出了应用盘铣刀的无瞬心包络铣削加工方法。

In order to solve above problems, a frequency conversion timing unit for screw pump well and an automatic control system were developed.

针对地面驱动螺杆泵抽油杆断、脱频繁及单井提液调整参数难以控制等问题，开发了螺杆泵井的变频调速装置及自动控制系统。

In order to design the rod string and analyze failure mechanism, the dynamics analysis on rod string of surface driving screw pump must be conducted.

地面驱动螺杆泵抽油杆柱动力学分析是杆柱设计、失效机理分析的关键技术。

In order to design the rod string and analyze failure mechanism,the dynamics analysis on rod string of surface driving screw pump must be conducted.

1· 大庆石油学院机械科学与工程学院黑龙江大庆 163318；2·大庆油田有限责任公司黑龙江大庆 163113

This model can be used to calculate and predict the change in torque of rod string loca ted at screw pump and any locations in wellbore according to the change in torqu e of polished rod measured on the surface, vice versa.

利用该模型，可以根据在地面测试的光杆扭矩变化规律计算出井筒中任意部位及螺杆泵处抽油杆扭矩的变化情况，也可根据螺杆泵处抽油杆扭矩变化来预测光杆扭矩的变化。

Partial abrasion of rod string in screw pump well which is surface driven is the main reason that restricts its application, but the prevention method used presently cant solve the problem radically.

地面驱动螺杆泵井抽油杆的偏磨是制约螺杆泵应用的主要原因，目前采用的防治方法不能从根本上解决该问题。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失