pump mechanical efficiency
钻井泵水功率利用率 pump hydraulic power utilization efficiency 钻井泵效率 pump mechanical efficiency 钻井泵压力有用分配比值 pump pressure distribution ratio ..
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pump mechanical efficiency
泵的机械效率
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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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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