常見(jiàn)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)合成纖維對(duì)高性能輕骨料混凝土的增強(qiáng)增韌效果。 返回 synthetic lightweight aggregate