The transverse nerves pass to the spiracles of their segment . 横神经通往同体节的气门。
2.
The valve lifter, a round cylinder, rides on the cam . 气门挺杆为一圆筒体，坐落在凸轮上。
3.
The two types of engine valves are intake and exhaust . 发动机气门的二种型式是：进气口和排气口。
4.
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。
5.
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。
6.
The spring is under compression, which means it tries to expand and thereby tries to keep the valve seated . 弹簧被压缩时，意味着弹簧要努力伸张，从而努力保持气门的落座状态。
7.
The spiracles are guarded by bristles which aid in filtering dust and other foreign matter from the air before it enters the tracheae . 气门由刚毛保护，这种叫毛在空气进入气门以前，帮助过滤空气中的灰尘和其他异物。
8.
Failure analysis of valve in diesel locomotive 内燃机车柴油机气门断裂的失效分析
