re-use , reclamation
For the gently inclined and extremely-thin vein, the mining methods including breasting method, waste-lifting stoping, resue stoping, long walling were usually adopted.
对于缓倾斜极薄矿脉的开采，通常采用全面法、削壁充填法、选别回采、长壁法等采矿方法。
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