相对叶轮泵;背靠背叶轮泵; pump with opposed impellers
悬臂叶轮泵; pump with overhung impeller
叶轮串并联泵; pump with series or parallel connection impellers
转子可抽出式泵 pump with withdrawable rotor assembly
抽运 pumping
抽运频率 pumping frequency
抽运功率 pumping power
原材料进货单 purchased material list
纯体积应变 pure dilatational strain
纯材料 pure material
纯形状应变 pure non dilatational strain
纯粹滚动 pure rolling
悬臂叶轮泵; pump with overhung impeller
叶轮串并联泵; pump with series or parallel connection impellers
转子可抽出式泵 pump with withdrawable rotor assembly
抽运 pumping
抽运频率 pumping frequency
抽运功率 pumping power
原材料进货单 purchased material list
纯体积应变 pure dilatational strain
纯材料 pure material
纯形状应变 pure non dilatational strain
纯粹滚动 pure rolling
纯转动光谱 pure rotation spectrum
纯切变 pure shear
纯剪应变 pure shear strain
纯应力 pure stress
纯弹性的 purely elastic
桁条 purlin
撞击打击 push
按钮式控制站 push button station
推挽波 push pull mode
三角波 pyramidal wave
热缩式电力电缆终端头 pyrocondensation power cable terminal
爆发力学 pyrodynamics
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