double fuel heating system 双燃料加热系统
The results show that, double injection system can get high replacement ratio of coal liquids fuel and good operation performance of the engine.
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。
Limit control system of expanding double-cross is a new control method, it changes control mode from former static state to dynamic one in controlling limit rate air to fuel.
双交叉限位控制系统是实现燃烧炉控制的一种新型控制方法，一改以往静态“空燃比限位”的控制方式，实现动态比率限位控制。
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