two cylinder reciprocating pump
... 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 ...
基于409个网页-相关网页
... 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 ...
基于10个网页-相关网页
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