coal utilizaton rate

例句：

1. 1. The company's coal utilization rate has improved significantly in recent years.
   该公司近年来煤炭利用率显著提高。
2. 2.The efficiency of the coal utilization process is crucial for reducing emissions.
   煤炭利用过程的效率对于减少排放至关重要。
3. 3. The government is working on improving the coal utilization rate to reduce dependence on foreign oil.
   政府正在努力提高煤炭利用率，以减少对外国石油的依赖。