卧式内燃燃油燃气锅炉
Horizontal Internal-combustion oil-fired (gas) boiler
低燃油油面警报器开关
low fuel level alarm switch
低燃油油面警告灯
low fuel level warning lamp
飞机燃油油量测量
fuel quantity gaging on aircraft
高热值燃油燃气锅炉
high-calorific value oilgas -fired power plant boiler
可燃油油浸电力变压器
combustible oil-filled electric transformer