1)fireboss,瓦斯检定员2)testing flame,瓦斯检定焰3)fireboss,瓦斯检验员;通风员4)optics coal gas analyzer,光学瓦斯检定器5)approved gas detector,安全瓦斯检定器6)fire boss,gas man,mine examiner,检查瓦斯的安全员
用法例句
The paper analyses the causes of the optics path difference which come from the twocoherent lights that arc produced by interference system of the optics coal gas analyzer and re-searches the formation causes of the interference fringes and the interference types.
