Catchpit t 集流坑 ; 聚泥坑
The Luohe gold-bearing Placer was formed by the intensive denudation of the dispersive mineralization of gold in the upper catchpit.
洛河砂金矿是在上淤汇水盆地中金的分散矿化被强烈剥蚀下形成的。
Floor late poured bands apply the technical measures of indwelling catchpit, setting temporary waterproof board and adopting fast easy setback grid instead of formwork.
底板后浇带采用留置集水坑、设置临时防水板和采用快易收口网代替模板的技术措施；
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