hole shrinkage
短語詞組
- 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