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。

youdao

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。

youdao