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| 1. | When a student recently saw two workmen using a pneumatic drill outside his university, he immediately telephoned the police and informed them that two students dressed up as workmen were tearing up the road with a pneumatic drill. |
| 最近有个学生看见两个人工人在大学校门外用风钻干活，马上打电话报告警察，说有两个学生装扮成工人，正在用风钻破坏路面， |
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| 2. | When a student recently saw two workmen using a pneumatic drill outside his university, |
| 最近有个学生看见两个工人在学校门外用风钻干活， |
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| 3. | pneumatic drill |
| 风钻 |
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| 4. | drill chuck jaw |
| 风钻夹钎爪 |
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| 5. | wagon mounted air drill |
| 车载风钻 |
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| 6. | hand-held air drill |
| 手持式风钻 |
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| 7. | rotary air drill |
| 回转式风钻 |
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| 8. | close quarter piston air drill |
| 角隅风钻 |
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| 9. | pneumatic reversible drill |
| 双向风钻 |
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| 10. | pneumatic drill cradle |
| 风钻槽形托架 |
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