by-products recoveries

例句：

1. 1. The company's by-products recoveries have improved significantly since the new process was implemented.
   自从实施了新工艺，该公司的副产品回收率显著提高。
2. 2. The efficiency of the recycling process is closely related to the by-products recoveries.
   回收过程的效率与副产品回收率密切相关。
3. 3. The company has invested heavily in research and development to improve its by-products recoveries.
   公司大力投资研发以提高副产品回收率。