单词	big-hole drilling
释义	big-hole drilling 大直径炮眼
随便看	occupational skill testing occupational skin cancer Occupational skin disease occupational skin diseases occupational slumming occupational socialization occupational social therapy occupational social work occupational sociology occupational spam occupational spatial structure occupational specialist occupational specialization occupational spirit occupational stability occupational staff occupational standard occupational statistics occupational status occupational stereotype occupational stigma occupational stores occupational strain occupational stratification occupational stress