试验表明，采用此方法，可获得较高的煤液化燃料的代用率，发动机工作性能良好。
The results show that, double injection system can get high replacement ratio of coal liquids fuel and good operation performance of the engine.
90年代发现二甲醚是可以替代柴油的超低污染燃料以及作为液化石油气的代用品；此外，它还可用于制备低碳烯烃。
In 1990s, it was found that the dimethyl ether as a super-low pollution fuel can be used to replace diesel oil and liquefied petroleum gas, in addition, it also can be used to prepare light olefin.
90年代发现二甲醚是可以替代柴油的超低污染燃料以及作为液化石油气的代用品；此外，它还可用于制备低碳烯烃。
In 1990s, it was found that the dimethyl ether as a super-low pollution fuel can be used to replace diesel oil and liquefied petroleum gas, in addition, it also can be used to prepare light olefin.
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