A corrugated pipe and a push-button switch are used for detecting the vacuum degree in the box and for switching off or switching on a vacuum system. 波纹管和按钮开关用以检测箱内的真空度、关断或启动真空系统运作。
The utility model is composed of a supporting frame, a lever, a lever shaft, a push-button switch, a sensing spring, an outer shell, etc. 该报警器由支架、杠杆、杠杆轴、按钮开关,传感弹簧及外壳等组成。
The Acrylic push-button switch, may according to the request establishment pictorial trademark, the house number plate number, have the LED backlight. 压克力按键开关,可以按要求设置商标图案、门牌号,带LED背光。