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- Considering small annular clearance and large hole curvature in slim hole, the nonlinear mechanics analysis of BHA is carried out by gap-element method. 针对小井眼水平井环空间隙小、曲率大的特点,应用间隙元法对下部钻具组合进行了非线性静力学分析;
- Calculations show that the annular clearance leakage by the mode of gradually reducing clearance is much less than that by the mode of equidimension clearance. 文末算例表明,渐缩间隙模型的环隙漏失量比平行平板模型的环隙漏失量小得多。
- The outside diameters of electrical submersible pump u-nits are big, structures are complex and the annular clearance between pump units and wellbore is small. 由于电潜泵机组外径大、内部结构复杂,与井筒形成的环空间隙非常小,断裂落井后,很难打捞。
- eccentric annular clearance Reynoldsnumber 偏心环空间隙雷诺数
- The annular markings on a tree indicate its age. 树的环形纹理显示其年龄。
- Let me tell you some details about clearance. 让我告诉你一些通关的细节。
- annular clearance 环空间隙
- It was reported that there would be an annular eclipse tomorrow. 据报道说，明天有日环食。
- A loaded pin bears on a hole with small clearance. 一个受载销钉支承于一个具有微小间隙的孔上。
- There is not much clearance here. 这里没有太多空间。
- HSS-E annular cutter with weldon shank, 25mm D.O.C. 双削平柄系列超硬高速钢孔钻，切削深度25毫米.
- Take the clearance with a feeler. 间隙用塞尺测量。
- HSS-E annular cutter with weldon shank, 50mm D.O.C. 双削平柄系列超硬高速钢孔钻，切削深度50毫米.
- There is a clearance of only five inches. 只有五寸的间隙。
- Disk annular, margin crenately lobed. 花盘环状，边缘浅裂。
- An underpass with a13-foot clearance. 有13英尺净空的高架桥下通道
- Filaments filiform.Disk annular, fleshy. 花丝丝状花盘环状，肉质。
- Disk annular, oblique, sometimes tiny or absent. 花盘环状，偏斜，有时极小的或无。
- Measuring clearance of rudder jumping stopper. 舵止跳块的间隙测量。
- Disk annular, fleshy, shorter than ovary. 花盘环状，肉质，短于子房。
