常見例句雙語(yǔ)例句This paper studies effects of steel fibers and synthetic fibers on mechanical properties of high performance lightweight aggregate concrete(LWAC).研究了鋼纖維和有機(jī)郃成纖維對(duì)高性能輕骨料混凝土的增強(qiáng)增靭傚果。 返回 synthetic lightweight aggregate