... differential piston pump 差动活塞泵 diffuser pump 导叶泵 diffusion vaccum pump 扩散真空泵 ...
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pit diffuser pump bowl 带扩压器的立式深井泵
diffuser centrifugal pump 扩散式离心泵
pump diffuser 泵扩散管 ; 泵扩压段
diffuser type centrifugal pump 扩散形离心泵
diffuser priming of pump 扩散器启动泵
jet pump discharge diffuser 喷射泵排放升压器
diffuser-type pump 扩压型泵
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