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| 1. | overload alarm device |
| 超载警报装置 |
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| 2. | a warning device; an alarm device |
| 报警装置 |
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| 3. | fire alarm device |
| 火灾警报装置 |
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| 4. | manual fire alarm device |
| 手动火灾报警装置 |
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| 5. | safety alarm device |
| 安全报警装置 |
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| 6. | personal alarm device |
| 个人报警装置 |
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| 7. | avalanche alarm device |
| 雪崩警报器 |
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| 8. | low-water alarm device |
| 低水位警报器 |
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| 9. | automatic alarm device |
| 自动告警装置 |
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| 10. | closed circuit alarm device |
| 闭路接线 |
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