shrinkage hole
短語(yǔ)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 縮徑;井眼縮徑
- shrinkage stoping with shallow hole 淺孔留礦
- shrinkage stoping with short hole 淺孔留礦法
- shallow hole shrinkage method 淺孔留礦法
- shallow -hole shrinkage 淺孔留礦法 返回 shrinkage hole