In recent years, the study on the degradation of organic pollutants in water by ultrasound is very active.
In recent years, the study on the degradation of organic pollutants in water by ultrasound is very active.
摘要近年来，超声降解水体中有机污染物的研究十分活跃。
In recent years, the study on the degradation of organic pollutants in water by ultrasound is very active.
摘要近年来，超声降解水体中有机污染物的研究十分活跃。