This paper reports the results of a study on end gas autoignition and knock in thespark ignition engines. 本文介绍了火花点火发动机的末端气体自燃和爆震研究的结果。
The influence factor of spontaneous ignition on coal seam mining and protective measures in Yangquan mine No.3 shaft are approached. 分析了阳泉矿区三矿井田煤层开采对自燃着火的影响因素，探讨了预防煤层的自燃着火的开采技术措施。
