查询词典 screw pump

Single screw pump small size, light weight, low noise, simple structure, easy maintenance.

单螺杆泵体积小，重量轻、噪声低，结构简单，维修方便

Machinery and other production methods, screw pump system is characterized by a higher system efficiency, a study of its great significance.

与其它机械采油方式相比，螺杆泵采油系统的突出特点是系统效率较高，对其进行研究意义重大。

The computing procedure of all profile s design for double screw pump has been.

介绍了双螺杆泵各类型面设计的计算机设计程序。

Now,the entire screw pump used is made in our country,and one serious problem exists in all of that is the performance of the material of the stator .

现今所用的螺杆泵绝大部分是国产的，普遍存在的一个较严重的问题：定子橡胶材料的性能问题。

Screw pump selection should be guided by economic, rational and reliable principle.

螺杆泵选用应遵循经济、合理、可靠的原则。

The theories established in this paper give directions to the current design and produce of the three screw pump; and also give solutions of the problems during usage.

本文的基础理论研究对当前的螺杆泵的设计生产都有很好的指导作用，对当前三螺杆泵使用中出现的问题有很好的解决效果。

As a result of this structure and the screw pump of the lateral gap between the existence, it can transport non-lubricating medium.

由于这种泵的结构和螺杆间存在的侧间隙，它可以输送非润滑性介质。

Screw pump used should follow the economic, rational and reliable principle.

螺杆泵选用应遵循经济、合理、可靠的原则。

A new kind of end face rotor profile of dry vacuum screw pump——the profile of double sides and symmetrical circle is introduced.

介绍了一种新型的干式螺杆真空泵的转子端面型线———双边对称圆弧型线，给出其端面型线方程。

Air is transfened into hot air by passing through the heater,and goesinto the hotair separator on the top of he dryer,then goes into the drying room evenly.at the same time liquid materials are sent to the centrifugal atomixer on the top of the dryer the the screw pump with stepless speed regulation,and atomized into timy dr-oplet which will contact hot air,then dried into dry product within shortest time.

空气通过加热器转化为热空气，进入装置在干燥室顶部的热风分配器，然后均匀的进入干燥室，同时通过无级调速的螺杆泵将料液送至装置在干燥室顶部的雾化器，使料液雾化成极小的雾化液滴，料液和热空气并流接触，水份迅速蒸发在极短的时间内干燥为成口若悬河，成品经干燥塔底部和旋风分离器排出，废气由风机抽出排空。

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