| 1. | What is the drill for claiming expenses ?
费用报销的手续，是怎样的？
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| 2. | The telephone started drilling all of a sudden .
电话突然嗡嗡响起来。
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| 3. | The soldiers were at drill in the barrack yard .
士兵们在军营里操练。
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| 4. | Diamond drilling replaced percussion drilling .
金钻探取代了冲击钻探。
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| 5. | We will have to drill a hole of 1.4mm .
我们要钻一个14毫米的孔。
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| 6. | The soldiers were at drill in the barrack-yard .
士兵们在兵营练兵场操练。
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| 7. | Drills were set to work without intermission .
螺旋钻在一刻不停地挥舞着。
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| 8. | They were twirling a brace drill .
他们当时正在转动曲柄钻。
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| 9. | When was the first offshore oil well drilled ?
第一口滨海油井是什么时候打的钻？
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| 10. | We had to drill 20 miles .
我们得靠两条腿走二十英里了。
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