The welding and assembling process of heavy girder often results in twisting distortion.
大型薄壁梁在焊接拼装过程中常常会出现扭转变形。
In this photo, the body of the padlock shows excessive distortion in the form of twisting, indicative of extreme torsion being applied to the padlock body.
在图片中，锁体的扭曲程度上严重变形，显示出施加在锁体上的极大扭力。
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