• 2021-04-14
    φ27f7表面粗糙度Ra值为( )微米?φ15H8孔表面粗糙度Ra值为( )微米?φ35孔表面粗糙度Ra值为( )微米?
    零件左、右端面表面粗糙度Ra值分别为( )、( )微米?
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