fuel-tank cap的用法和樣例：
例句
- Don't forget to cap the tank after filling it up with petrol.
灌滿(mǎn)汽油后別忘了把油箱蓋上。 - As the driver enters the pitlane for a re-fuelling session he hits the pitlane speed limiter button, which also opens the fuel flap.
當車(chē)手進(jìn)入維修站，他按下限速開(kāi)關(guān)按鈕的同時(shí)油箱蓋也會(huì )打開(kāi)。
