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riser main
  • 英语发声
  • 美语发声
  • n. a vertical pipe in a building

    同义词: riser riser pipe riser pipeline

  • 网络释义

    1、主立管
    ... riser characteristic 上升特性 riser main 主立管 riser pipe 立管,竖管,连接用立管 ...

    短语

    main reaction riser总立管

    专业释义

    英英释义

    riser main

    n.a vertical pipe in a building

    同义词:riserriser piperiser pipeline




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