petroleum made of coal的用法和樣例：
例句
- Affect by high petrol price, kerosene must be made by liquified coal &speed-up to making liquified hydrogen, so some flight must be terminated service.
由於原油價格居高不下，航空煤油需要從煤制油生產提煉，甚至需要加快生產提煉液氫，因此必須停飛部分航班。 - The Coal liquefaction is the abbreviation of the coal chemical technology to produce industrial chemicals and liquid fuel with coal for raw material.
煤制油是以煤炭為原料生產液體燃料和化工原料的煤化工技術的簡稱。
