您要查找的是不是：
- desilting manhole 隔沙沙井
- Someone is working in the manhole. 有人在（锅炉的）检修孔中工作。
- Dams need better maintenance and desilting. 水坝需要更好的维护和疏通。
- 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。
- We can make a manhole for servicing. 可做维修清洗人孔。
- Cast iron manhole covers are the best alternatives. 是铸铁井盖最理想的替代品。
- Other areas shall use “B” type manhole covers. 其余的人孔盖为B型人孔盖。
- Keep proper length of pipe when put into the manhole. 布放后应保留适当长度于引进端人(手)孔或拉箱内。
- Say, Doc, did a guard go by here with a manhole cover tool? 嘿，博士，有警卫会带著通道盖子工具经过这边吗?
- One of the chaps found an open manhole leading to the sewers... 一条是我们的人找到，从下水道过去...
- How about that manhole In the courtyard. You been down there? 那么广场下面的通道呢?你下去过吗?
- We've had a survey made of every manhole cover In the camp. 我们勘查了所有在营区里面的下水道入口。
- Fittings, Cast Iron Manhole Cover, Hardware& Building Materials. 球墨管;生铁管及配件;阴沟盖极;钢管及五金建筑材料.
- Fittings, Cast Iron Manhole Cover, Hardware &Building Materials. 球墨管;生铁管及配件;阴沟盖极;钢管及五金建筑材料.
- Manhole covers are also gaining popularity as lamps. 人孔盖甚至还被改造成灯。
- White manhole located in Tianxin Ge, Pak Sha Street in the east. 白沙井位于天心阁下，在白沙街的东面。
