(来学网)常用厚度为()的薄板制作风管及机器外壳防护罩
  • A.
    (来学网)0.5~1.0mm
  • B.
    (来学网)0.5~1.5mm
  • C.
    (来学网)1.5~2.5mm
  • D.
    (来学网)2.0~4.0mm