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.
