petroleum made of coal的用法和样例：
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.
由于原油价格居高不下，航空煤油需要从煤制油生产提炼，甚至需要加快生产提炼液氢，因此必须停飞部分航班。 - The Coal liquefaction is the abbreviation of the coal chemical technology to produce industrial chemicals and liquid fuel with coal for raw material.
煤制油是以煤炭为原料生产液体燃料和化工原料的煤化工技术的简称。
