Adopted imported PA foldingbelt for folding, featuring in good result in folding.
采用进口片基带进行折边，折边效果好。
2
Common are the following: buckle hook buckle, buttons, snaps, foldingbelt, butterfly clasp, buckle, buckle folding.
常见的表扣有以下几种：钩扣、暗扣、蝴蝶扣、皮带按扣、折叠安全扣、折叠扣、针扣。
3
Researches indicate that the Dabashan bow-like foldingbelt was formed during late Jurassic and superposed on Triassic folds, and hence it does not belong to Qinling Triassic Orogen.