Therefore,different mining methods including sublevel caving,sublevel open stoping with subsequent filling are tried to solve these problems.

 
  • 采礦方法從充填法改為分段崩落法、階段崩落法及分段空場(chǎng)嗣后充填法,使采礦方法不斷改進(jìn)和完善,提高了礦山生產(chǎn)能力和礦石回收率。
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