A kind of optical fiber smoke sensor which is used to measure the optical density of the smoke is introduced.
研制成功一种光纤烟气传感器，用于测量烟气的光学密度。
Party B shall not alter, change, dismantle or adjust the main structure or facilities including the smoke sensor and spray without the consents of Party a and fire control authority.
除非经消防局及甲方同意，乙方不得对房屋的主要结构及装置(包括烟感器及喷淋头)作任何变动、拆除或调整。
A fire alarm automatic system was introduced, it was developed with smoke sensor and telephone.
介绍一种火灾自动报警系统。该系统应用了离子感烟传感器和电话。
A fire alarm automatic system was introduced, it was developed with smoke sensor and telephone.
介绍一种火灾自动报警系统。该系统应用了离子感烟传感器和电话。
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