点火失效 meaning in Chinese

loss of ignition

Analysis of experimental data indicates that there exist several following problems during the whole operation : first , the emission is serious and the density of hc and co smoke is very high at on and off period . second , there is oil dripping from the dripping vitta as a result of the fault of ignition system and combustion structure . the last , there might be accidents of disabled ignition resulted from the improper operation at the beginning
通过对样机的试验分析和研究表明，汽车空气燃油加热器在整个工作过程中，其排放存在以下三个问题：一、开机和关机两个阶段的排放问题严重，废气中hc和co的浓度值及烟度测量值都很高；二、因点火系统和燃烧结构的缺陷而导致开机后一段时间内有油滴从滴油管滴落；三、在点火过程中，会出现因操作不当而点火失效的现象。