英语词汇“保持系 {物} maintainer line;”的读音、翻译、释义、用法及例句-家教网

词汇	保持系 {物} maintainer line;
类别	英汉汉英翻译词典
释义	见:保持: 保持系 {物} maintainer line;
随便看	pump suction pipe pump-turbine pump-type circulation system lubrication pump-unit pump valve pump valve pressing spring pump work pun puna Punakha punamustone punarnavine Punch punch punch adapter punch advance punch block mechanism punchboard punch boring punch card file punch-card machinery punch card transcriber punch check punch connection punch cutting machine

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