Helical Type Pump(螺式泵), 此释义来源于网络辞典。
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... 机械螺旋式 mechanical screw type 螺旋式泵 helical type pump 螺旋式测验 spiral test ...
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helical rotor type pump 螺旋转子式泵
In this paper, based on the work mechanism of the flow pump, gas ingestion and failure of helical seal are fully explained. Moreover, a new type of combined helical seal is put forward.
本文从泵的角度对螺旋密封“气吞”及“密封失效”现象作出了合理、全面的解释，并提出一种新型组合螺旋密封。
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