Adding polyacrylic fibre to concrete of face-plate for rockfill dam will prevent from or reduce cracking of concrete, raise deformability of concrete and improve its impermeability, toughness and resistance to freezing and thawing.
聚丙烯纤维的加入能防止和减少混凝土开裂,提高混凝土的变形性能并使防渗、抗冻融性和韧度指标显著提高,因而适用于堆石坝的面板混凝土。
The machining working and installation forming process of single-skin aluminum curtain wall face-plate
单层铝板幕墙施工技术探讨单层铝板幕墙面板加工安装成形工艺
英语网 · 双语新闻
英语网 · 双语娱乐资讯
英语网 · 少儿英语故事
英语网 · 中考英语