How to keep long-term depurative water quality and form a hygeian hydrophily ecosystem in manmade lake is a key topic we concerned.
建设良好的水统,使人工湖长期保持水体的清洁是人们关注的要课题。
How to keep long-term depurative water quality and form a hygeian hydrophily ecosystem in manmade lake is a key topic we concerned.
建设良好的水统,使人工湖长期保持水体的清洁是人们关注的要课题。
声明:以上例句、词性分类均由互联网资源成,部分未经过人工审核,其表达内容亦不代表本软件的观点;若发现问题,欢迎向我们指正。