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- They measured the length of drill collars yesterday. 他們昨天仗量了鉆桿和鉆鏈的長(cháng)度。
- On the basis of an analysis of the location and causes of the failure of drill collar threaded connection, a high-strength drill collar threaded connection is developed. 在分析鉆鋌螺紋失效部位及原因的基礎上,研制了高強度鉆鋌螺紋,它與普通鉆鋌螺紋相比,只是在外螺紋小端增加了一段光平的錐體。
- A cloud is a mass of vapor in the sky. 云是天空中的水汽團。
- After harvest we will have a mass of rice. 秋收后,我們將獲得大量稻谷。
- She had lots of drill in listening. 她在聽(tīng)力方面受過(guò)許多訓練。
- I found a mass of spawn in the fish before cooking. 燒魚(yú)前,我發(fā)現魚(yú)里有很多魚(yú)籽。
- We need a short drill collar to put here. 這里要接一根短鉆鋌。
- The mass of workers do not want this strike. 大多數工人不愿舉行這次罷工。
- Research on a new stress relief groove of drill collar threaded connections 新型石油鉆鋌聯(lián)接螺紋減應力區的研究
- They set to work accumulating a huge mass of data. 他們開(kāi)始累積大量的資料。
- The mass of faces pressed closer. Walling him in. 許許多面孔越來(lái)越逼近,把他團團圍住。
- A cloud is a mass of vapour in the sky. 云是天空中的水汽團。
- A dense mass of black hair framed his face. 濃密的黑發(fā)襯托著(zhù)他的面龐。
- The garden was a mass of colour. 花園中五彩繽紛。
- Application of finite element method in the structure optimization of drill collar thread 有限元法在鉆鋌螺紋結構優(yōu)化中的應用
- A large mass of people moving or acting as a body. 一大群作為一個(gè)整體運動(dòng)或行動(dòng)的一大群人
- Ultrasonic Testing of Drill Collar Threads by Small Angle Incidented Longitudinal Waves 鉆鋌絲扣的小角度超聲縱波檢測
- A mass of bubbles in or on a liquid; foam. 泡沫液體中的大量氣泡; 泡沫
- A soft, moist, shapeless mass of matter. 漿狀物一團柔軟、潮濕且無(wú)固定形狀的東西
- ULTRASONIC INSPECTION OF DRILL COLLARS 鉆鋌的超聲波探傷