exhaust stroke meaning in English

排气冲程
排气衡程
排气行程

When the exhaust stroke starts, the cylinder is swept out by the upmoving piston .
当排气冲程开始时，气缸被向上运动着的活塞刮掠。
This action could open an inlet valve for an intake stroke , or open an exhaust valve for an exhaust stroke
这过程能使进气门在进气行程打开，或者排气门在排气行程打开。
If the exhaust valve opened at bdc at the beginning of the exhaust stroke and closed at tdc at the end of the exhaust stroke , it would have a duration of 180
如果排气门在排气行程的下止点打开并且在这次行程的上止点关闭，它将有180的持续。
In this paper , the general theory and numerical solution procedure were described . by building a diesel modeling with vertical valves and a piston bowl , a whole cycle was calculated , which include intake stroke , compression stroke , expansion stroke and exhaust stroke
通过对带有进、排气门的柴油机进行计算，模拟了一个完整循环内进气道、气门和缸内气体流动的全过程。