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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. 針對小井眼水平井環(huán)空間隙小、曲率大的特點(diǎn),應用間隙元法對下部鉆具組合進(jìn)行了非線(xiàn)性靜力學(xué)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,漸縮間隙模型的環(huán)隙漏失量比平行平板模型的環(huán)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. 由于電潛泵機組外徑大、內部結構復雜,與井筒形成的環(huán)空間隙非常小,斷裂落井后,很難打撈。
- eccentric annular clearance Reynoldsnumber 偏心環(huán)空間隙雷諾數
- The annular markings on a tree indicate its age. 樹(shù)的環(huán)形紋理顯示其年齡。
- Cook the meat quickly at first to seal in the juices. 一開(kāi)始要大火燒肉，以便保存肉汁。
- Let me tell you some details about clearance. 讓我告訴你一些通關(guān)的細節。
- The putty gives a good seal round the window. 窗戶(hù)四周泥的油灰密封效果很好。
- Our foil packets seal the flavour in. 我們用錫紙包裝以保持原味。
- This document carries the royal seal. 這份文件上蓋有王室印章。
- The seal on the bottle has perished. 瓶子的封記已經(jīng)腐爛。
- He impressed his seal on the wax. 他在火漆上蓋了他的私章。
- The deal needs the government's seal of approval. 這一交易需經(jīng)政府批準。
- Seal (up) the window to prevent draughts. 把窗戶(hù)封起來(lái)以防風(fēng)。
- A round seal affixed to a papal bull. 印璽一個(gè)圓形的教皇的正式宣布訓令或法令的封印
- Change Stuff Sealing for Pumps into Clearance Sealing 泵用填料密封改間隙密封
- She forgot to seal her letter before mailing it. 她忘記在寄信前將信封上。
- annular clearance 環(huán)空間隙
- The experience set the seal on their friendship. 這一經(jīng)歷確定了他們的友誼。
- He affixed his seal to the document. 他在文件上蓋了印。
