At a predetermined distance (a), the infrared detector "sees" a circular area that is called the visible surface (b).
在预定的距离(一)，红外探测器“看到”的圆形区域内被称为可见的表面(乙)。
Model S250 ionization smoke detector is a dual chamber ionization type detector designed to respond to the first RACES of a fire by sensing both visible smoke and invisible products of combustion.
进口工业网的S250型电离感烟探测器是一种双电离室型探测器，用于第一时间在火焰中感应燃烧物有形和无形的烟。
Model S250 ionization smoke detector is a dual chamber ionization type detector designed to respond to the first RACES of a fire by sensing both visible smoke and invisible products of combustion.
进口工业网的S250型电离感烟探测器是一种双电离室型探测器，用于第一时间在火焰中感应燃烧物有形和无形的烟。
应用推荐