You have to mix oil into the gas in a two-stroke engine because the holes in the cylinder wall prevent the use of rings to seal the combustion chamber.
在二冲程发动机中你必须混和燃料和气体，因为气缸壁上的孔阻止使用活塞环密封燃烧室。
2
The structural dynamic response of a certain multi? cylinder internal combustionengine block is analyzed applying finite element method.
应用有限元方法对某多缸内燃机机体在活塞推力作用下的结构动力响应进行了分析。
3
This paper deals with the effects of combustion geometry on combustion and emissions in a 105 single cylinder diesel engine.