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- Based on the theory of elasticity and molar-Coulomb strength failure criterion, we proposed the prediction method for hole enlargement ratio in the condition of underbalanced drilling. 摘要基于弹性力学理论及岩石摩尔-库仑强度破坏准则,提出了欠平衡钻井条件下井径扩大率的预测方法。
- Based on the theory of elasticity and molar-Coulomb strength failure criterion,we proposed the prediction method for hole enlargement ratio in the condition of underbalanced drilling. 基于弹性力学理论及岩石摩尔-库仑强度破坏准则,提出了欠平衡钻井条件下井径扩大率的预测方法。
- The enlargement brings out the details in the photograph. 照片放大后细微之处都很清楚。
- Abnormal enlargement of the breasts in a male. 男子女性型乳房男性胸部的异常增大
- The ratio of students to teachers is 35:1. 学生和老师的比率是三十五比一。
- The ratio of schoolboys to schoolgirls is 2 to 1. 男学生和女学生的比例是2比1。
- I'm sending mother an enlargement of the baby's photo. 我给母亲寄张小宝宝的放大的照片。
- Men outnumber women here in the ratio of three to one. 此地男子数量以三比一超过女子。
- The first or last term of a ratio or a series. 首项,末项比率或数列中第一个或最后一个项
- enlargement ratio 放大倍率
- He's working on the enlargement of the business. 他正在努力扩展业务.
- In micrographics, an enlargement. 缩微图形学中指一次放大(过程)。同reenlargement。
- After-tax profit margin is the ratio of net income to net sales. 税後利润率指净收入与净销售之比。
- You can get an enlargement free of charge. 您可以免费得到一张放大的相片
- The ratio of men to women was two to one. 男女的比例是二比一。
- A localized thickening and enlargement of the horny layer of the skin. 鸡眼,老茧皮肤角质层的局部增厚和增大。
- A varicose enlargement or swelling. 静脉曲张的扩大或肿胀
- Star Grass Color Photo Enlargement Dep. 星星草彩扩部。
- In micrographics,an enlargement. 缩微图形学中指一次放大(过程)。同reenlargement。
- The interval between any two frequencies having a ratio of2 to1. 倍频程频率比率为2比1的两个频率的间隔