This chamber contains a slightly eccentric cylinder which can be rotated to make either the upper or the lower slots bigger.
该腔室有一个很纤细的偏心气缸，它可以旋转以使唤得下部或者上部狭槽的气流更强。
2
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。
3
When the cylinder moves backward, the piston is driven to travel backward and generates negative pressure in the front chamber of the cylinder.