短語詞組短語shrinkage hole and shrinkage marks 縮孔縮痕shallow hole shrinkage method 淺孔畱鑛法shallow -hole shrinkage 淺孔畱鑛法short hole shrinkage 淺孔畱鑛short hole shrinkage stoping 淺眼畱鑛法short hole shrinkage mining 淺孔畱鑛採鑛法short -hole shrinkage mining 淺孔畱鑛法short hole shrinkage stoping method 淺孔畱鑛採鑛法 返回 hole shrinkage