The paper developed a real-time monitor system, which was used on LPG (Liquified Petroleum Gas) and LNG (Liquified Natural Gas) tank car.是什么意思_The paper developed a real-time monitor system, which was used on LPG (Liquified Petroleum Gas) and LNG (Liquified Natural Gas) tank car.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句