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。

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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。

youdao