基本解释锯末混凝土英汉例句双语例句On the weekend, they mixed sawdust and newspapers with polymers and cement in an unsuccessful attempt to seal a crack in a concrete pit at reactor No 2.周末的时候，他们尝试着将木屑和报纸与水泥混合堵住第二核电站的泄露小洞，但失败了。sawdust concrete更多例句词组短语短语sawdust t concrete 锯末混凝土sawdust concrete更多词组专业释义土木建筑工程锯末混凝土