network of drains meaning in English
排水管网
Examples
- In addition , some farmers still illegally discharge their effluent into nearby rivers . enforcement remains an uphill battle given the difficult terrain in the new territories , the large number of farms , and the complex and sometimes concealed networks of drains that lead to the waterways
此外，一些农场仍非法排放污水到附近河溪里，由于新界地形复杂，农场数目多，加上通至河溪的渠管网络纵横有一些被刻意隐藏，打击非法排污面对很大困难。