municipal sewer是什么意思 municipal sewer怎么读
municipal sewer的用法和样例
- A terminal cleanout sometimes substitutes for a manhole at the end of a short lateral sewer.
在一小段侧向污水管上的末端清理常用检查井替代。 - Here, a pumping station can be installed to lift the wastewater to an intercepting sewer at a higher level.
这里,设置泵站用来提升废水到较高位置的截流污水管中。
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