... shuttle-block pump 梭心转子泵 side channel pump 侧流道泵 side pot type piston pump 分置阀室式活塞泵（美） ...
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短语
侧流道泵壳
annular casing
;
casing with transfer passages
侧流道泵联轴器
side channel pump coupling
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side channel pump
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side channel pump
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