cast iron manhole cover 铸铁人孔盖板
portable manhole cover 便携式人孔盖
sunk manhole cover 埋入式人孔盖
hinged manhole cover 铰链式人孔盖
tight manhole cover 紧密窑井盖 ; 检查井密盖
Illuminated Manhole Cover 安全井盖
flush manhole cover 平置式人孔盖 ; 平板式人孔盖
raised manhole cover 升高人孔盖
Now he is also the butt of a local joke, which encourages you to "look at the Duke from the luyk (manhole cover)", located to the left of the statue.
现在他还是本地的笑柄，这个笑话是鼓励人们去雕像左侧的下水道的盖子上看公爵。
What the SMC really is known for though is the architecture and development of The Bund, which is where we stumbled over this manhole cover.
工部局因外滩的建设和开发而闻名，而我们也是在那里发现的这块井盖。
However, because of the manhole cover and the manhole covers are different, so when installing some considerations are also indispensable.
不过，由于这种井盖与普通的井盖有着一定的差异，所以在安装的时候一些注意事项也不可缺少。
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