您要查找的是不是：
- Metal manhole cover 金属地下管道工出入口井盖
- 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。
- 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?
- 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.
- 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?
- 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。
- Manhole covers are also gaining popularity as lamps. 人孔盖甚至还被改造成灯。
- Once you've found that manhole cover tool I suggest you pick one of the three and make straight for It. 一旦你找到通道盖子工具，你就从三个地方中挑一个进去吧
- The open metal gratings on Milwaukee's bridges have to be covered so the animals won't be afraid to cross.And the oxen refuse to step on manhole covers. 密耳瓦基市内各座桥的开阔金属栅栏必须先加盖起来，这样，动物才敢穿越这些桥，而且牛只不愿踩到下水道的盖子；
- If you're going to get down Into those sewers, Stone, you'll need some way of lifting a manhole cover. 史东，如果你要下去下水道，你必须要想办法把这些盖子打开。
- A manhole cover tool? No, my friend, but what I wouldn't give for one of those... You know, It's curious. Suddenly the sewers seem a hive of activity. 通道盖子工具?没有，我的朋友，但是我告诉你...你知道吗，很奇怪，突然下水道变成了个热闹有活力的地方。
- Applying common engineering sense, the shape of a manhole cover is entirely determined by the shape of the opening it is intended to cover. 从工程学的角度来看，井盖的形状完全取决于它要覆盖的洞口的形状。
- But Michele Brody says she may be willing to drop her prices to make her manhole cover art more accessible and affordable. 他将井盖设计成了轮盘“那时，我从买过或想要一个井盖的人那里得知，他们非常喜欢它。”
- The testing and examination of doors, windows, manhole covers, hatches. 门、窗、人孔盖、舱口盖的检验和试验。
- There’s a thin, lightning bolt-shaped crack next to a rusting manhole cover and I adjust my gait to get my right foot to step on it. 紧挨着一个生锈的井盖有一条细细的闪电装的裂缝，我调整了一下步伐，好让右脚踩上去。
