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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. 提出了確定地浸鉆孔最佳間距的原則和方法，論述了與最佳間距有關(guān)的問(wèn)題。
- The drilling troops mustered on the hill. 演習部隊在小山上集合起來(lái)了。
- Latecomers will not be admitted until the interval. 遲到者在休息時(shí)間方可入場(chǎng)。
- The workman is drilling in the wall. 工人正在墻上打孔。
- A brief, indefinite interval of time. 瞬間一個(gè)短暫的、不確定的時(shí)間間隔
- Drilling is cutting a hole with a drill. 鉆削就是用鉆頭鉆一個(gè)孔。
- There is an hour's interval to the next train. 下一火班車(chē)還要過(guò)一小時(shí)才開(kāi)。
- At six we were fallen in for drill. 六點(diǎn)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(shí)匆匆喝了點(diǎn)東西。
- We changed seats in the interval. 中間休息時(shí),我們交換了一下座位。
- The noise of the drilling is intolerable. 鉆孔的噪音讓人受不了。
- The sound of that drill jangles horribly on the nerves. 那臺鉆機的聲音響極了，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(gè)全度音的音程
- You'd better set a goal before you start the drill. 練習開(kāi)始前，你最好設定一個(gè)目標。
- After a long drill he told the squad to fall out. 操練了好半天之后，他讓這個(gè)班解散了。
- She had lots of drill in listening. 她在聽(tīng)力方面受過(guò)許多訓練。
- This drill can bore through rock. 這臺鉆機能鉆透巖石。
- A mark indicating the boundary of such an interval. 刻度線(xiàn)，分度線(xiàn)指示這種間隔的界限的標記
- The dentist's drill made a lot of noise. 牙鉆發(fā)出很大的噪音。
