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- Development of downhole drill motor and problems with its application. 井下動力鑽具的發展及其在推廣應用中的問題。
- Success in this well provides a way of using down-hole drilling motor and MWD for deeper sidetracking. 該井的成功 ,為深部側鑽使用動力鑽具、有線隨鑽測量系統創出了一條新途徑。
- Three closing of pithead is realized by the technology transformation of safe door with coal electric drill motor. 通過使用煤電鑽電機對副井安全門進行技術改造,實現井口三閉鎖。
- These system include filtering system for crude oil entering ,filtering and cooling system for hot oil, filtering and cooling water circulating system for reduction gearbox of the drilling motor. 該系統包括原油入口的過濾裝置,熱油過濾冷卻裝置和鑽井馬達變速箱過濾冷卻循環裝置等三大部分。
- Navigation is difficult on this river because of the hidden rocks. 因為河上有暗礁，所以在這條河上航行很困難。
- The drilling troops mustered on the hill. 演習部隊在小山上集合起來了。
- The motor car disappeared in eddy of dust. 汽車在一片揚塵的渦流中不見了。
- The compass is an instrument of navigation. 羅盤是航行儀器。
- The workman is drilling in the wall. 工人正在牆上打孔。
- Drilling is cutting a hole with a drill. 鑽削就是用鑽頭鑽一個孔。
- The motor launch was fitting out as a fishing boat. 這艘摩托艇正在裝備成漁船。
- Keywords rotary navigation drilling;eccentric stabilizer;continuous beam system;transverse vibration;frequency analysis;drilling weight;rotary velocity; 關鍵詞旋轉導向鑽井;偏心穩定器;連續梁系統;橫向振動;頻率分析;鑽壓;轉速;
- The tail exhaust pipe of the motor vehicle emitted poisonous smoke. 機動車的尾部排氣管排出有毒的濃煙。
- At six we were fallen in for drill. 六點鐘我們站好隊準備操練。
- The noise of the drilling is intolerable. 鑽孔的噪音讓人受不了。
- Remove the motor when you lay up your boat. 船閑置不用時，你要把發動機拆下來。
- The theory and practice of aircraft navigation. 航空學飛機航行的理論與實踐
- The motor boat was tearing along in the high wind. 快艇在疾風中順風飛快地行進。
- For sale: small motor scooter. Enquire within. 待售：小型摩托車，請進內詢問。
- The sound of that drill jangles horribly on the nerves. 那台鑽機的聲音響極了，十分刺耳。
