fixed insert pump的意思|示意
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插入型固定式井下泵
fixed insert pump的网络常见释义
插入型固定式井下泵 ... 往复式井下泵 borehole reciprocating pump 插入型固定式井下泵 fixed insert pump 井下泵 bottom hole pump; bottomhole pump; downhole pump; subsurface pump ...