induction stroke

• 进气行程,进气冲程

induction stroke的用法和样例：

例句

1. When the piston reaches the bottom of the intake stroke, the intake valve closes, trapping the air-fuel mixture in the cylinder.
   当活塞到达进气行程的下止点时，随着空气燃油的混合气进入气缸，进气门关闭。