The ferrule portion is bent along the longitudinal axis to form a bend.
套圈部分沿着纵向轴线弯曲以形成弯曲部分。
The upper and lower longitudinal edges of the metal sheet are bent to produce a first 'l' bend and a second 'chair' bend, respectively.
弯曲该金属板的上、下纵向边缘以分别形成第一“L”形弯曲和第二“椅”形弯曲。
The upper and lower longitudinal edges of the metal sheet are bent to produce a first 'l' bend and a second 'chair' bend, respectively.
弯曲该金属板的上、下纵向边缘以分别形成第一“L”形弯曲和第二“椅”形弯曲。
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