井径扩大率
- 网络hole diameter enlargement rate; hole enlargement ratio
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井径扩大率
hole diameter enlargement rate
钻井业专业... ... 井径规则 regular and consistent borehole gauge 井径扩大率 hole diameter enlargement rate 井口 wellhead ...
hole enlargement ratio
井径扩大系数,boreh... ... ) hole enlargement 井径扩大 ) hole enlargement ratio 井径扩大率 ) expanded coefficient 扩大系数 ...