开口翻边补强
cut-out flange repaired reinforce
V型零件翻边
flanging of V-shaped sheet metal parts
多孔翻边
multi-hole sheet flanging
多色翻口短筒袜
multicolored pattern anklets
翻边
flanging
turn edge
flange
burring
switching
Circumferential strain dispersion effect
selvedge trundown
edging
riveting
Cuff