recovery rate的用法和样例：
例句
- With the aqueous phase velocity increasing, the mass transfer flux increased, but the recovery extraction decreased.
由回收率的大小可以看出，电泳萃取分离技术是一种很好的处理染料水的方法。 - Collectively-owned mining enterprises and privately-owned mining undertakings shall raise their technical level and increase the recovery rate of the mineral resources.
集体矿山企业和个体采矿应当提高技术水平，提高矿产资源回收率。
