waste treatment system meaning in English

废物处理装置

In the meantime , the government has been exploring new environmental - friendly toilet waste treatment systems in order to improve the sanitary conditions of the existing aqua privies and a trial scheme has been launched recently to examine the feasibility of the system
另一方面，我们一直研究新式而环保的厕所污物处理系统，以改善现有旱厕的?生情况，并于最近展开试验计划，测试有关系统的可行性。