Also I have included Angle Iron Rings for the duct joints as we do in all the plants, I was wanting to be sure we have a very nice looking system as well as works well in the new building.

我也有夹角为管道，因为我们在所有的植物一样，我想知道我们将会有一个非常好看的系统以及新的建设工程，以及关节的铁环。

youdao

Rings for the duct joints as we do in all the plants, I was wanting to be sure we have a very nice looking system as well as works well in the new building.

还我的夹角为管接头铁环，因为我们做所有的植物，我想知道我们将会有一个非常好看的制度，以及行之有效的新建筑。

youdao