The concrete placement for spillway and overflow weir at Dongba Hydropower Station employs light truss type formwork.
洞巴水电站溢洪道溢流堰的混凝土浇筑使用轻型桁架模板。
The concrete placement of lateral wall adopted stiff, large and leveling suspension form works in order to ensure the quality and easy handling.
洞身边墙混凝土浇筑采用刚度大、大块及表面平整度好的多卡悬臂模板，能保证质量、使用灵活、有利于赶工。
The aggregate production systems at the Three Gorges project, should meet requirements for the concrete placement of stage -I works, with a huge volume and a long construction duration.
三峡工程第二阶段混凝土浇筑量大且持续时间长，混凝土骨料生产供应必须满足混凝土浇筑的要求。
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