搪瓷器皿磁性防护底圈属日用轻工产品。
The utility model relates to a magnetic protective bottom ring of an enamel ware.
通过在底圈壁板上口铺设环形平台，可方便地进行储罐的倒装施工。
By means of annulus platform located above the bottom ring wall, the tank inverted construction can be implemented expediently.
以罐壁开孔距纵向焊缝过近缺陷的处理为例，介绍底圈局部壁板的更换方法。
Taking a defect example that manhole is close to vertical welding this article introduces how to treat the defect in replacement of partial bottom wall.
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