充气飞行时间探测器(GF-TOF)测量方法
method of measurement by gas-filled time-of-flight detector
电动气动式控制器
electropneumatic controller
电动气动式转辙机
electropneumatic switch machine
浮子式气动测量仪
float type pneumatic measuring instrument
光电烟道气探测器
photo electric flue gas detector
漏气探测器
gas leakage detecting device
检查飞机旅客手提包携带武器用的自动探测器
automatic airline baggage weapons detector
离子感烟式自动探测器
ionic automatic smoke detector