发布时间:2025-01-31 11:58:59
素混凝土的概念:
新混凝土规范第2.1.2 是这样解释的:素混凝土-------由无筋或不配置受力钢筋的混凝土制成的结构。
素混凝土是针对钢筋混凝土、预应力混凝土等而言的。
素混凝土:钢筋砼的重要组成部分,由水泥、砂(细骨料)、石子(粗骨料)、外加剂等,按一定比例混合后加一定比例的水拌制而成。
UGEE 友基 EX08 数位板 Type-C 10*6英寸-给你时尚新体验
2025-01-31 11:58:59 2025-01-31 11:58:59 2025-01-31 11:58:59 2025-01-31 11:58:59 2025-01-31 11:58:59adobeflashcs5只能创建传统补间创建补间动画就没有箭头中间也没动静
2025-01-31 11:58:59 2025-01-31 11:58:59 2025-01-31 11:58:59 2025-01-31 11:58:59 2025-01-31 11:58:59 2025-01-31 11:58:59 2025-01-31 11:58:59 2025-01-31 11:58:59 2025-01-31 11:58:59 2025-01-31 11:58:59 2025-01-31 11:58:59 2025-01-31 11:58:59 2025-01-31 11:58:59 2025-01-31 11:58:59 2025-01-31 11:58:59 2025-01-31 11:58:59 2025-01-31 11:58:59 2025-01-31 11:58:59 2025-01-31 11:58:59 2025-01-31 11:58:59 2025-01-31 11:58:59 2025-01-31 11:58:59 2025-01-31 11:58:59