常見例句Accident cause that bonding mortar cannot reach the design requirement is analyzed on the basis of mix ratio, placeability and raw materials, etc. 從砂漿的配郃比、和易性、原材料等對砌築砂漿達(dá)不到設(shè)計要求的事故原因進(jìn)行了分析。concrete placeability 混凝土的可澆置性 返回 placeability