Enoughofit!Nobodyherethinkswhataresayingshouldmakeany_______

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机械设备安装工序中,设备调平后,垫铁端面应露出设备底面外缘,平垫铁宜露出(  )mm。

机械设备安装工序中,设备调平后,垫铁端面应露出设备底面外缘,平垫铁宜露出(  )mm。A.5~20 B.10~30 C.10~50 D.20~30

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