气门的英文：
stegma

air strangler
空气阻气门,空气阻塞门

Always replace the cap (where used) after checking air pressure or inflating a tire.
检查气压或充气后，应该把轮胎气门盖放回原处。

Rudimentary stigma.
退化气门。

"adjusting valve tappet clearances (also called adjusting valve lash), grinding valves and valve seats."
气门维修包括调校气门间隙(也称气门余隙),研磨气门和气门座.

Valves must be properly timed.
气门必须严格定时。

The position of the valves during the power stroke are both closed
在作功冲程期间，气门的位置都是关闭的。

Sometimes valves will stick when cold But will work free as the engine warms up.
有时,发动机冷态时,气门也会粘住;发动机预热后,气门工作就正常了。

"That is to say, each cylinder has two valves, an intake valve and exhaust valve."
也就是说,每个气缸有两个气门,即进气门和排气门。

The value-opening mechanism includes a valve lifter and a cam on a camshaft
一套气门开启机构包括一个气门挺杆和一个在凸轮轴上的凸轮。

You have to choke the engine when it is cold.
当发动机冷却的时候，你要阻塞住它的气门。