gasfired ignitor煤气点火器
gasfired furnace煤气炉
gasfired car燃气汽车
gasfired generator燃气发电机
natural gasfired power plant天然气发电
gasfired central heatingg以煤气为燃料的集中供热设备
operation of oilfiredand gasfired boilers燃油燃气锅炉运行