qualified rate of coal blending

例句：

1. 1. The company's new policy on coal blending has significantly improved the quality of its products.
   该公司对煤炭混合的新政策显著提高了其产品的质量。
2. 2. The government has set a target for improving the qualified rate of coal blending in the country.
   政府已设定目标，提高国内煤炭混合的合格率。
3. 3. The research team found that increasing the qualified rate of coal blending could reduce energyconsumption and emissions.
   研究团队发现，提高煤炭混合的合格率可以减少能源消耗和排放。