研制成功一种光纤烟气传感器，用于测量烟气的光学密度。

A kind of optical fiber smoke sensor which is used to measure the optical density of the smoke is introduced.

youdao

研制成功一种光纤烟气传感器，用于测量烟气的光学密度。

A kind of optical fiber smoke sensor which is used to measure the optical density of the smoke is introduced.

youdao