多项选择题
A.强度等级B.抗渗C.抗冻D.耐酸E.耐碱
A.废弃瓦砖B.石块C.混凝土块D.渣土
A.100mmB.150mmC.200mmD.300mm
A.10mm,250mm,500mmB.8mm,200mm,500mmC.10mm,250mm,400mmD.8mm,250mm,400mm
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