常見例句雙語例句According to the model, a comparatively accurate formula of shear strength in plain pumice concrete block wall is given.據(jù)此給出了符合程度較高的浮石混凝土砌塊墻體抗剪強(qiáng)度計(jì)算公式;This paper expounds the research on pumice and its concrete, and the testing result indicates the pumice after being properly machined can be used to make LWAC and hollow block.試驗(yàn)研究結(jié)果表明,張家口地區(qū)所開采的浮石經(jīng)過適當(dāng)破碎加工、優(yōu)化分選和顆粒搭配后可配制性能優(yōu)良的輕骨料混凝土,并可用于制作性能可靠的建筑墻體用輕混凝土空心砌塊。 返回 pumice concrete concrete block