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Terms for subject Chemistry containing 往复泵 | all forms | in specified order only
ChineseEnglish
双缸蒸汽往复泵duplex steam piston pump
往复式蒸汽泵reciprocating steam pump
往复式真空泵reciprocating vacuum pump
蒸汽往复泵donkey pump (锅炉进水泵)

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