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。
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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