The fire detection technology is the effective method of the fire preventing.
火灾探测技术是预防火灾发生的有效手段。
Mine fire preventing and controlling always is the key question of coal industry safety in production.
矿井火灾的防治一直是煤炭工业安全生产的重点问题。
Mine fire preventing and controlling always is the key question of coal industry safety in production.
矿井火灾的防治一直是煤炭工业安全生产的重点问题。
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