Perform scheduled maintenance service on oil and solid fuel heating systems.
对油和固体燃料加热系统进行定期维护服务。
Fuel heating is a necessary step of fuel combustion system in glass industry.
燃油加热是玻璃生产行业燃油燃烧系统中的一个必要环节。
In heating equipment used as fuel, fuel supply and transfer pump.
在供热设备中用做燃油，燃油供应和输送泵。
Which is the most economical fuel for home heating-gas, electricity, or oil?
哪一种燃料用作家庭暖气最经济煤气、电力还是汽油？
The heating furnace direct fuel compared with hot gas, can save energy economy after above 60%.
相比直接燃油的热加工炉，使用热煤气后可节省能源经济60%以上。
The heating furnace direct fuel compared with hot gas, can save energy economy after above 60%.
相比直接燃油的热加工炉，使用热煤气后可节省能源经济60%以上。
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