duplex acting steam-driven reciprocating pump的意思|示意
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双作用蒸汽驱动往复泵
duplex acting steam-driven reciprocating pump的网络常见释义
双作用蒸汽往复泵 ...蒸汽直动泵联轴器 duplex steam piston pump 双缸蒸汽活塞泵 duplex acting steam-driven reciprocating pump 双作用蒸汽往复泵 ..