英语词汇“pistons, reciprocating one within another”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	pistons, reciprocating one within another
释义	pistons, reciprocating one within another 机械工程照明加热多个活塞；一个在另一个内部往复运动；活塞；一个在另一个内往复移动
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