two cylinder reciprocating pump的意思|示意

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双缸往复泵

双缸往复泵 ... 双缸往复泵;twin cylinder reciprocating pump 双缸往复泵;two cylinder reciprocating pump 双缸蒸汽直动泵;duplex steam pump ...

双缸来去泵 ... 双缸来去泵； twin cylinder reciprocating pump 双缸来去泵； two cylinder reciprocating pump 双缸蒸汽直动泵； duplex steam pump ...