着火源 meaning in English

ignition source

Always refuel your generator outside away from any source of ignition
加油你永远远离任何外来发电机着火源
Non - electrical equipment for use in potentially explosive atmospheres - part 6 : protection by control of ignition source ' b '
潜在爆炸性环境中使用的非电气设备.第6部分:着火源控制" b "型防护设备
Non - electrical equipment for use in potentially explosive atmospheres - part 6 : protection by control of ignition source " b " ; german version en 13463 - 6 : 2005
潜在爆炸性环境中使用的非电气设备.第6部分:着火源控