Screw pump body and tightly.

螺杆与泵体紧密贴合。

Figure 1 that the three screw pump cutaway view.

图1表示三螺杆泵的剖视图。

The sealing principles of the twin screw pump are analyzed.

分析了双头双螺杆泵密封腔的密封原理。

It's necessary to investigate the theory of the three screw pump.

所以对三螺杆泵的理论研究是非常必要的。

The metal screw pump can resist this badness response effectively.

金属螺杆泵能有效抵制这些不良反应。