锅底的缺陷。
In that year "a defect at the dam opened the gates, making a toxic layer of hard metals deposited at the bottom of the river come up" to the surface, she said.
就是那年，大坝的门户错误的打开，使得那些原本位于河流底部的有毒重金属层浮到了表面，她继续说道。
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.
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。
The reason causing shrinkage defect was analyzed, and the following measure was adopted: setting chills on both the top and bottom surfaces of the casting.
对引起缩松的原因进行了分析，并采取了相应的工艺措施，上下底面同时加冷铁，消除了缩松缺陷。
An introduction is given to strengthening of defect beam of a super large bridge. Carbon fibre textile was applied to the bottom face of beam with WN glue to cure the cracks of structure.
结合焦柳线金华寺特大桥在运营过程中出现的结构开裂病害整治实例，介绍采用WN胶在梁体底部粘贴碳纤维布加固修复新工艺。
An introduction is given to strengthening of defect beam of a super large bridge. Carbon fibre textile was applied to the bottom face of beam with WN glue to cure the cracks of structure.
结合焦柳线金华寺特大桥在运营过程中出现的结构开裂病害整治实例，介绍采用WN胶在梁体底部粘贴碳纤维布加固修复新工艺。
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