... 左室机械效率 LEWK 装卸机械效率指标 handling machinery efficiency index 水泵机械效率 mechanical efficiency of pump ...
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mechanical efficiency of storage pump 蓄能泵机械效率
mechanical efficiency of hydraulic pump 液压泵机械效率
·2,447,543篇论文数据，部分数据来源于NoteExpress
Discusses the relationship between pumping speed and inlet pressure of an oil-sealed mechanical pump and the reason why its pumping efficiency drops down.
该文介绍了油封机械泵的抽速与入口压力的关系、泵抽气效率下降的原因，指出泵入口管道的流导和油蒸汽逆流是造成泵抽速下降的主要原因。
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