... 部分充填开采 partial backfill style ; partial backfill mining 充填开采时 mining with filling 分层充填开采 slicing and filling ...
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mining with movable-filling 放顶充填开采法
mining with dry-filling 干式充填采矿法
mining with delayed filling 嗣后充填采矿法
The mining with filling in goaf provides advantages for the rational mining of coal under buildings, railroads and water bodies.
采空区充填开采为“三下”煤炭的合理开采创造了条件。
Take an underground copper mine as studying object, on which the surface has to be protected, the mining method of sublevel filling method with roof reconstructing is studied.
以某地下铜矿为研究对象,研究了地表要求保护的前提下极破碎矿体的顶板再造上向分段充填采矿法。
The indoor experiment on the filling materials used for downward slicing drift mining with cemented backfill in Gaolong Gold Mine was performed.
对高龙金矿下向分层进路胶结充填采矿法所用的充填材料进行了室内试验研究。
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