Serves as the fire protection separation the fire protection roll-up door, after the fire detector movement, the roll-up door should drop.
用做防水分开地防水卷帘门，火警探测器行动后，卷帘门应降落到底。
After feeling warm detector movement, curls the curtain to drop.
感温探测器行动后，卷帘降落到底。
A photoelectric urine drop collector and detector was designed to detect signal of urine drops.
设计光电受滴器检测尿滴，信号放大后送计算机进行自动的检测处理。
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