gas detector tube meaning in English

气体检测定管
气体检测管

Gas detector tube measurement system length - of - stain type
气体检测器管道测量系统
Gas detector tubes - specification for long term gas detector tubes
气体检测管.第2部分:长期气体检测管规范
Gas detector tube units
气体检测管装置
Measuring method for volatile organic compounds in airborne by gas detector tube
用气体探测器管测量空气中易挥发有机化合物的方法
Gas detector tube units - short - term type for toxic gases and vapors in working environments
气体检测管.工作环境中毒气和毒蒸汽的快速检测型