(来学网)砂浆试样强度应符合要求,任一组试件的强度应不低于图纸规定的砂浆等级的()
  • A.
    (来学网)85%
  • B.
    (来学网)75%
  • C.
    (来学网)65%
  • D.
    (来学网)95%