Filler cap
01
油箱盖, 加注口盖
the lid on a vehicle's fuel tank used to seal the opening
例子
I need to open the filler cap on my car to refuel it.
我需要打开我车上的加油口盖来加油。
Make sure to tighten the filler cap securely after filling up the tank.
加满油箱后,确保拧紧加油口盖。



























