A.水泥膠砂試模 B.電動抗折試驗(yàn)機(jī) C.水泥抗壓夾具 D.水泥凈漿攪拌機(jī)
A.125.0ml B.130.0ml C.142.5ml D.150.5ml
A.8h B.24h C.72h D.28d