Concrete and reinforcement bar corrosion reduced the reinforced concretes durability.砼碳化及钢筋锈蚀导致钢筋砼构件耐久性能降低.The drying shrinkage and self - shrinkage of concretes with different water to binder ratios were studied.实验研究了不同...

concretes的音标：...

n.混凝土( concrete的名词复数 )，具体物，（图案式）有形诗，图案诗体...