本次研究石油渣油最佳的添加量为20%，与煤单独处理的结果相比，转化率高1.5%，油产率高11%。

In this experiment system, the optimum addition of petroleum residual is 20%. Coal conversion and oil yield are increased by 1.5% and 11% respectively.

youdao

本次研究石油渣油最佳的添加量为20%，与煤单独处理的结果相比，转化率高1.5%，油产率高11%。

In this experiment system, the optimum addition of petroleum residual is 20%. Coal conversion and oil yield are increased by 1.5% and 11% respectively.

youdao