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Screw pump are turning to the use of screw liquid smoke platoon.

螺杆泵是利用螺杆的回转来吸排液体的。

The emphases and difficulty of the article is the design of three dimensional screw impeller owned by screw centrifugal pump.

本文的设计重点和难点是螺旋离心泵特有的是三维螺旋叶轮的设计。

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。

The screw plug of the oil pump must be screwed up after daily work is finished.

5.9 每天工作完成后，必须旋紧油泵螺塞。

When the oil level in the lower casing reaches the intermediate mark in the oil window (not stop feeding oil to the gear reducer from filter press), startup oil pump in the lubricating station to feed oil to lower casing. In order to assess the oil level in the upper casing, it is allowed to remove the plug screw of observation hole at thrust bearing oil sump in the upper casing.

较为方便的方法是拆除减速机箱体中分面法兰上的呼吸器，利用其安装孔对减速机下箱体进行加油，当减速机下箱中的油位到达后油窗中间刻线时（不停止滤油机对减速机的加油），可以启动润滑站油泵对减速机上箱体进行加油。

To study the performance of screw compressor, the key component in heat pump chiller, a mathematic model for simulating the behavior of the compressor's working process is presented in this paper, based on the thermodynamics of mass-variable system and the p-V indicator diagrams acquired by experiment.

为此，本文在实测压缩机在经济器补气工况、部分负荷工况、不同冷却方式等工况下p-V指示图的基础上，并基于变质量系统热力学原理，建立了螺杆制冷压缩机工作过程热力学数学模型，考虑了喷油、泄漏、热交换及补气等因素对工作过程的影响。

The Porsche Owner: But it's my car!

可，这是我的车呀。

LOX_83}{Oh, another bunch of wackos.

{LOX_83}{呃，又一群怪人。