- under drilling
- 底部: bottom; bottom side; foot; r ...
- 钻: drill; auger
- 凿: certain; accurate; true; aut ...
- 底部钻具组合: bha; bottom assemblies; bottom-hole a embly; bottom-hole assembly
- 底部钻具组合变形: bha deforms
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底部钻凿的英文
- under drilling
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例句与用法
- Under-drilling is calculated on the maximum theoretical burden .
底部钻凿是按最大理论抵抗线计算。