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。

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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。

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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。

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