预制构件厂及建筑工程用钢筋的加工生产。

Apply to the local steel plants, factories and construction prefabricated units reinforced by the processing production.

youdao

预制构件厂及建筑工程用钢筋的加工生产。

Apply to the local steel plants, factories and construction prefabricated units reinforced by the processing production.

youdao