GB23439标准规定,膨胀剂限制膨胀率试验中,水泥胶砂配合比规定的灰砂比和水灰比分别为( )。P94或528
A.3.0,0.50 B.2.5,0.45 C.0.50,0.40 D.2.5,0.50正确答案C
GB23439标准规定,膨胀剂限制膨胀率试验中,水泥胶砂配合比规定的灰砂比和水灰比分别为( )。P94或528
A.3.0,0.50 B.2.5,0.45 C.0.50,0.40 D.2.5,0.50正确答案C
