每年内拆下2～3组螺栓检查其变形、腐蚀等情况的翻译：Remove 2~3 groups within a year bolt check for deformation, corrosion, and so on 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

Remove 2 to 3 year groups within the check bolt deformation, corrosion, etc.

Remove 2~3 groups within a year bolt check for deformation, corrosion, and so on

正在翻译，请等待...

Within each year under demolition Group 2 ~ 3 bolts inspection of its deformation, corrosion, etc.

Remove 2~3 groups within a year bolt check for deformation, corrosion, and so on