A system of ditches and drains collects all the leachate , which is pumped through a treatment plant similar to a sewage works .
排水沟渠与管道系统收集所有的渗滤液,用一个类似于污水处理场的处理装置泵出。
The combination of vinegar and baking soda is one of the most effective ways to unclog and deodorize drains .
醋和热苏打水的混合物是最有效的用来疏通和防止排水沟生臭的方法之一。
Within a mile of my shop there are factories that make stainless steel hardware , concrete drains and stairs , custom-printed t-shirts , electronic components and lots of other stuff .