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。
2
Floor late poured bands apply the technical measures of indwelling catchpit, setting temporary waterproof board and adopting fast easy setback grid instead of formwork.