进排气门的英文缩写为inlet and exhaust valves。
双语例句
接待已到达的马匹和车辆，对赛事监管人员进行工作分工，分别负责各马厩和对马匹的检验。一些高性能发动机有两个单独的凸轮轴，分别负责开关进气门和排气门。
Reception of horses and vans on arrival， assigning of stewards for stables and veterinary examination. Some high-performance engines have two separate camshafts， one for each set of inlet and exhaust valves.
