A.20%+80%,1.02 B.50%+50%,1.01 C.30%+70%,1.03 D.30%+70%,1.02
A.攪拌方式 B.砂漿存放 C.砂漿檢測 D.砂漿強(qiáng)度
A.120mm B.100mm C.170mm D.150mm