Among those methods of ensuring the supply of liquidfuel, shale oil is a realistic energy substitute for petroleum.
在保证液体燃料供应的诸多办法中，页岩油是一种较现实的石油替代能源。
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The Author describes some characteristics of gas fuel and liquidfuel for industry heating, and necessary adjustment of related facilities converting from MG or oil to ng.
To make rational use of industrial waste materials and reduce pollution, and to supply the substitute fuel for oil fired furnace, the writers have developed a new type liquidfuel Still Residue.