A charge of fresh air is drawn into the engine cylinder and then _____ by the moving piston_____ very high pressure.

The fresh air is compressed then stored in （).

Which of the engine components listed increases air charge density and helps to improve en

The reason why we have to grow trees is that they can supply fresh air for us.（英译中)

Charging is the filling of the engine cylinder with a supply or charge of fresh air _____

Charging－air pressure increases if there is incorrect combustion and drop in the _____ of

It is very important that each cylinder should be _____ scavenged before the charged air i