“冲程”造句
在作功
冲程期间,气门的位置都是关闭的.
The position of the valves during the power stroke are both closed.
动力
冲程的后段是绝热膨胀过程.
The remainder of the power stroke is an adiabatic expansion.
当排气
冲程开始时, 气缸被向上运动着的活塞刮掠.
When the exhaust stroke starts, the cylinder is swept out by the upmoving piston.