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消防警报装置
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消防警报装置
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fire alarm indicating device
消防警报装置
在火灾发生时,能够向报警区域发出声光火灾警报信号,以警示现场人员采取安全措施和灭火救援措施的装置。又称火灾警报装置、声光讯响器、声光警报器、消防警铃、火灾警铃、火灾声警报器。
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electoral principle
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electrical activity of self disciplined cardiac muscle cells
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electrical breakdown of PN junction
electrical breakdown of pn junction
electrical calibration sensitivity
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