coal tar oil的用法和样例：
- To pressurize the coal tar oil in Lurgi process which in the gasified process and make comparison with traditional coal tar oil hydrogenation process.
- An experiment and research on cold briquetting coke was conducted with anthracite coal blended with lean coal and fine coking coal and with residuum of modified coal tar oil as the binder.
- Indole consists in washing oil of coal tar.
- They will report on the experiments with coal tar.
- hydrogenated coal tar oil