manhole

常见例句

Someone is working in the manhole.
有人在（锅炉的）检修孔中工作。
I need to find a manhole tool...
我需要找个通道盖子工具...
Here's the question: Why are manhole covers round?
这个问题是：为什么下水道井盖都是圆的?
Or the manhole cover outside your apartment?
还是你公寓外面的下水井盖?
Why are manhole cover round in shape?
点解下水道的盖是圆形的?
Please move the manhole cover away.
请将人孔盖移开。