A.混凝土B.槽壁C.水泥D.粉土
A.2%~8%B.0.5%~0.8%C.0.2%~0.8%D.0.05%~0.10%
A.0.10%~0.50%B.3%~5%C.2%~8%D.0.05%~0.10%