英语翻译
问题描述:
英语翻译
最好是膜法方面的、净水厂方面的,希望有的把中文和英文一起发上来!
答
The wastewater system relies on the force of gravity to move sewage from your home to the treatment plant.So wastewater-treatment plants are located on low ground,often near a river into which treated...