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混凝土配筋率
1、man of steel───钢铁侠
2、concrete───adj.混凝土的；实在的，具体的；有形的；n.具体物；凝结物；vi.凝结；vt.使凝固；用混凝土修筑
3、nerves of steel───钢铁般的意志
4、prestressed concrete───（美）预应力钢筋混凝土
5、variation ratio───异众比率；变异比率；变速比，变速范围
6、ratio───n.比率，比例
7、steel───adj.钢制的；钢铁业的；坚强的；n. (Steel)（德）施特尔；（英）斯蒂尔（人名）；n.钢铁；钢制品；坚固；vt.钢化；使冷酷
8、concrete noun───n.具体名词
9、magazine of concrete research───混凝土研究杂志
1、It shows the axial tension initial cracking strength of concrete increases with the increasing of steel fiber volume ratio and enhancing of concrete strength grade separately.───结果表明：混凝土轴拉初裂强度分别随钢纤维体积率的增大和混凝土强度等级的提高而增大。
2、Thereby difficult problem that we test relaxation ratio of prestressed concrete steel wire for 1000 hours has been solved.───此法成功地用于生产中，从而解决了预应力钢丝1000小时松弛率检验的难题。
3、this comprehensive consideration, the content of steel fiber in concrete pavement is better determined as 0.8%(volumetric ratio).───综合考虑决定在混凝土路面中钢纤维的掺量以0.8%（体积比）为宜。