screw type pump 螺旋泵
screw-type rotary pump 螺旋式转子泵 ; 螺旋式回转泵
screw-type spindle pump 轴带滑油泵
screw pump type 螺杆泵式
rod-type screw pump 杆式螺杆泵
Screw pump is a new type of liquid delivery of machinery, with a simple structure, safe and reliable use of easy maintenance, a continuous uniform fluid, pressure, stability and so on.
螺杆泵是一种新型的输送液体的机械，具有结构简单、工作安全可靠，使用维修方便、出液连续均匀、压力稳定等优点。
Slurry catalyst feed pump used in gas-phase flowing bed process of PE plant is a type of single screw pump with special structure.
聚乙烯装置流化床反应器浆液催化剂加料泵是一种结构特殊的单螺杆泵。
Screw-centrifugal pump is a kind of new type liquid-solids handing pump whose unique impeller structure combines both the advantages of screw pump and centrifugal pump.
螺旋离心泵是将螺旋泵与离心泵融合为一体的一种新型杂质泵，其独特的结构可以将两者的优势充分发挥。
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