短語詞組短語shrinkage e stoping 畱鑛採鑛法shrinkage stoping method 畱鑛採鑛法shallow boreholes shrinkage stoping 淺孔畱鑛法overall shrinkage stoping 畱鑛全麪採鑛法short hole shrinkage stoping 淺眼畱鑛法waste -lifting shrinkage stoping 削壁充填畱鑛採鑛法short hole shrinkage stoping method 淺孔畱鑛採鑛法shallow hole shrinkage stoping system 淺眼畱鑛法 返回 shrinkage stoping