The existence of overmuch residual exhaust gas together with its over mixing with fresh charge is one of the main causes of unstable combustion at low load.
缸内残余废气过多以及废气与新鲜空气的过度混合是小负荷时燃烧不稳定的一个主要原因。
2
The main person-in-charge of a coal mine shall be the first responsible person for the gas control;