谈谈发动机排烟颜色的区别贾正克，李连杰（吉林省红石林业局）按发动机理论设计，发动机排无色透明、无特殊异昧的烟最为正常。但实际上排烟颜色略呈浅蓝色或浅灰色即可判断发动机工作正常。但是由于发动机技术状况不良，工况下降，排烟呈四种异常颜色，叙述如下：黑烟：... Talk about the difference between engine exhaust color Jia Zhengke, Jet Li (Jilin Province Redstone Forestry Bureau) according to the engine theory design, the engine row of colorless and transparent, no special smoke ignite the most normal. But in fact the exhaust color slightly light blue or light gray to judge the engine is working properly. However, due to poor engine technology, declining working conditions, smoke showed four unusual colors, described as follows: black smoke: ...