combustion blow-by

例句：

1. 1. The fire was caused by a spark from the stove.
   火是由炉子上的火花引起的。
2. 2. The scientist discovered that the combustion process is crucial to the reaction.
   科学家发现，燃烧过程对于反应至关重要。
3. 3. The car's engine has been known to produce high levels of carbon monoxide during combustion.
   汽车引擎在燃烧过程中已知会产生高浓度的一氧化碳。