(来学网)在墙上留置临时施工洞口,其侧边离交接处墙面不应小于(),洞口净宽度不应超过()
  • A.
    (来学网)500MM,500MM
  • B.
    (来学网)500MM,1000MM
  • C.
    (来学网)1000MM,1000MM
  • D.
    (来学网)1000MM,1500MM