tyre-valve cap

例句：

1. 1.The tire valve cap is essential for maintaining the proper air pressure in a tire.
   轮胎阀门盖对于保持轮胎适当的气压至关重要。
2. 2.The technician replaced the worn tire valve cap with a new one.
   技师用一个新的磨损的轮胎阀门盖替换了旧的。
3. 3.The car's engine was sound, but the tire valve cap was damaged, causing leakage.
   汽车发动机运转正常，但轮胎阀门盖受损，导致泄漏。