air admission valve

• 进气阀

air admission valve的用法和样例：

例句

1. The large holes on the left and right represent the inlet and exhausting valve ports respectively.
   左右两侧的两个大孔，分别表示进气阀孔和排气阀孔。
2. The lobe on the cam controlling the intake valve has moved out from under the valve lifter.
   控制进气阀的凸轮上的凸角在阀挺柱向下回转。