a flush iron cover for a manhole (as in a street)

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。

the main cast iron manhole cover is being applied in the sewers of the city, but the cause of quality problems in what factors?

铸铁井盖主要是被应用在城市下水道中，但造成其质量问题的因素在哪些？

the new ductile iron manhole cover is arranged on a support seat on the embedded strip, so when the vehicle passes in the top cover, reduce the overall vibration, effectively prevent noise.

新式球墨铸铁井盖在支座上装上了嵌入式胶条，这样在盖板上方有车辆经过的时候，会减少整体的震动，有效防止响声。

please move the manhole cover away .

请将人孔盖移开。

if we could get that manhole cover up …

要是我们能把那个下水道入口盖打开…

the utility model relates to a theft-proof manhole cover for the manhole mouth of underground institution, comprising a manhole cover seat and a manhole cover.

本实用新型涉及一种用于地下公共设施井口的防盗井盖。

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。

the manhole cover is too weight to move.

人孔盖太沉移不动。

such a widely learning awareness has turned to be a living habit—for example, just the colorful manhole cover has become the investigating experience in lihui「s 「moments」.

这种「博采众长」的学习意识，甚至变成了生活习惯——比如米兰街头的五彩窨井盖，都变成李晖「朋友圈」里的一组考察心得。

the manhole cover is too weighty to move.

人孔盖在重移不动。

why are manhole cover round in shape?

点解下水道的盖是圆形的？

cast iron manhole cover anti impact resistance, easy rupture.

铸铁检查井盖不耐沖击，易破裂。

resin composite manhole cover is made of polymer composite materials, no recovery value.

树脂复合井盖是由高分子复合材料制成，没有任何回收价值。

on a number of occasions it is not surprising to see the manhole cover completely missing so that if you land a wheel in there it has to be goodbye to your front suspension.

在不同场合也并非令人惊讶地看到井盖完全缺少这样如果你的土地上还有一个车轮便要告别你的前悬挂。

emergency vent manhole cover is a kind of rapid relief-pressure device. its technical performance, main material and main parts」materialare the same as hxf-hr type breather manholes.

紧急放空人孔是快速泄压装置，其技术性能、主要零部件材料与hxf-hr呼吸人孔相同。

naturally, the management also covers part of the city civilization. the manhole cover function is convenient water and exclude road area maintenance, dredge pipe.

自然而然，管理井盖也构成城市文明的一部分。下水道井盖的功能就是排除路面积水和方便维修、疏通管道。

a manhole cover hoisting tool with pulley structure is designed, including base parts, support parts and pulling parts.

设计了一种滑轮式井盖提升工具，包括底座部分、支撑部分和提升部分等。