venting pin

例句：

1. 1. The car's engine is producing alot of exhaust gases.
   这辆车的发动机正在产生大量的废气。
2. 2. The doctor insertedthe venting pin to relieve the patient's breathing difficulties.
   医生插入了排气针来缓解病人的呼吸困难。
3. 3. The engineer useda venting pin to clear the airfrom the workshop.
   工程师使用排气针来清理车间的空气。