shrinkage hole
短語詞組
- shrinkage hole and slack 縮孔縮松
- shrinkage hole porosity 縮孔
- reduction shrinkage hole 還原收縮孔
- shrinkage hole and shrinkage marks 縮孔縮痕
- hole shrinkage 縮逕;井眼縮逕
- shrinkage stoping with shallow hole 淺孔畱鑛
- shrinkage stoping with short hole 淺孔畱鑛法
- shallow hole shrinkage method 淺孔畱鑛法
- shallow -hole shrinkage 淺孔畱鑛法 返回 shrinkage hole