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- In this paper,presents the principles and methods to define optimum drilling interval for in-situ leaching and discusses some problens related to optimum drilling. 提出了確定地浸鑽孔最佳間距的原則和方法，論述了與最佳間距有關的問題。
- The drilling troops mustered on the hill. 演習部隊在小山上集合起來了。
- Latecomers will not be admitted until the interval. 遲到者在休息時間方可入場。
- The workman is drilling in the wall. 工人正在牆上打孔。
- A brief, indefinite interval of time. 瞬間一個短暫的、不確定的時間間隔
- Drilling is cutting a hole with a drill. 鑽削就是用鑽頭鑽一個孔。
- There is an hour's interval to the next train. 下一火班車還要過一小時才開。
- At six we were fallen in for drill. 六點鐘我們站好隊準備操練。
- We had a quick drink in the interval. 我們在中間休息時匆匆喝了點東西。
- We changed seats in the interval. 中間休息時,我們交換了一下座位。
- The noise of the drilling is intolerable. 鑽孔的噪音讓人受不了。
- The sound of that drill jangles horribly on the nerves. 那台鑽機的聲音響極了，十分刺耳。
- A minor key, scale, or interval. 小調音、短音階或短音程
- An interval composed of three whole tones. 三全音三個全度音的音程
- You'd better set a goal before you start the drill. 練習開始前，你最好設定一個目標。
- After a long drill he told the squad to fall out. 操練了好半天之後，他讓這個班解散了。
- She had lots of drill in listening. 她在聽力方面受過許多訓練。
- This drill can bore through rock. 這台鑽機能鑽透岩石。
- A mark indicating the boundary of such an interval. 刻度線，分度線指示這種間隔的界限的標記
- The dentist's drill made a lot of noise. 牙鑽發出很大的噪音。
