screw pump 螺杆泵 ; [机] 螺旋泵 ; 螺旋式泵
airtight screw pump 密闭式螺杆泵 ; 严密封闭式螺杆泵
Archimedean screw pump 阿基米德螺旋泵
reversible screw pump 可逆式螺杆泵
hyperbolic screw pump 双曲线式螺杆泵
hermetic screw pump 密闭式螺杆泵 ; 严密封闭式螺杆泵
labyrinth screw pump 迷宫螺旋泵
sealed screw pump 密闭式螺杆泵 ; 严密封闭式螺杆泵
trochoid screw pump 次摆线螺杆泵
Screw pump screw length is larger because of the job, poor rigidity, easy to cause bending work properly.
螺杆泵因工作螺杆长度较大，刚性较差，容易引起弯曲，造成工作失常。
As a new kind of impurity pump, screw centrifugal pump combines the advantages of screw pump and centrifugal pump, and the special structure can bring into play their advantages sufficiently.
螺旋离心泵作为一种新型杂质泵，将螺旋泵与离心泵融合为一体，其独特的结构可将两者的优势充分发挥。
At the same time with the screw pump, screw and screw with each other form a sealed cavity between one another to ensure airtight, otherwise there may be liquid from the gap in the back to go back.
同时螺杆与泵体、螺杆与螺杆间又相互形成密封腔，保证密闭，否则就可能有液体从间隙中倒流回去。
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