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| 1. | The heat-sink method has a fast warm-up time. |
| 渗热法预热快。 |
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| 2. | In cold weather pull the choke out half-way, and let the engine warm up, before you move off. |
| 在寒冷天气发动汽车前要拉开一半节气阀，并让发动机预热。 |
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| 3. | An engine warm-up. |
| 准备发动机的预热 |
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| 4. | A transistorize radio takes no time to warm up. |
| 晶体管收音机不需要预热时间。 |
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| 5. | warm-up dive |
| 跳水准备活动 |
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| 6. | How long should the engine warm up before we start? |
| 这引擎在起动前应预热多长时间？ |
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| 7. | high-tension warm-up time |
| 高压预热时间 |
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| 8. | preliminary heating |
| 预热 |
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| 9. | The instrument needs 4 hours for warm-up after turning on. |
| 仪器需要开机预热4小时才能稳定。 |
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| 10. | Warm-up (game) |
| 热身赛 |
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