concretes造句
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.
实验研究了不同水胶比的混凝土干缩性能及自收缩性能.