- fire alarm equipment
- fire-alarm
- horn fire alarm
- 火灾: fire; conflagration
- 报警器: annunciator; alarm; siren; w ...
- 可寻址火灾报警器: addressable fire alarm system
- 手动火灾报警器: hand fire alarm; manual fire alarm
- 自动火灾报警器: automatic fire alarm
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