manhole cover

Why manhole cover is round?

下水道井盖为什么是圆的?

Research, Development and Application of Safe-type High-performance Composite Concrete Manhole Cover

安全型高性能复合混凝土检查井盖的研发与应用

Put a manhole cover on the tank top for removing filters and strainer.

在油箱顶部设置检修孔,以拆卸过滤器和滤清器.

Why are manhole cover round in shape?

点解下水道的盖是圆形的?

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.

Why is a manhole cover round?

为什么下水道的盖子是圆形的?

Please move the manhole cover away .

请将人孔盖移开。

Some characteristic of cast iron manhole cover.

铸铁检查井盖的一些特性.

Public Facility in Chongqing Review on Visual Design of Manhole Cover

重庆公共设施之窨井盖视觉设计研究

Research on the steel fiber reinforced concrete with high strength used for thin manhole cover

钢纤维高强混凝土薄型下水井盖板的材料研究

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.

Rather than slam into the atmosphere like the manhole cover, the box flies through a bubble of expanding plasma that offers little resistance.

与之前和大气层猛烈碰撞的井盖不同，巨量的辐射会加热井盖周围的空气，形成一个不断膨胀的等离子体气泡，在这个气泡中飞行阻力极小。

Or the manhole cover outside your apartment?

还是你公寓外面的下水井盖?

Used for the watertight and oil tight manhole cover.

适用于船舶的水密和油密人孔盖.

The utility model relates to the improvement on a manhole cover with an iron skeleton concrete structure.

本实用新型是对铁骨架混凝土结构下水道井盖的改进。

This guy's dropping like a manhole cover now, paul.

这飞机就跟扎猛子一样，保罗。

Cast iron manhole cover anti impact resistance, easy rupture.

铸铁检查井盖不耐冲击, 易破裂.

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 ?

Please move the manhole cover away.

请将人孔盖移开.