Buckle folding: Method of folding sheets of paper where the sheet is bent or Buckled by a metal plate.
栅栏式折页(梳式折页)：用金属栅栏把纸张弯曲屈折的方法。
Common are the following: buckle hook buckle, buttons, snaps, folding belt, 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。
Knife folding method of folding sheets of paper by means of a knife pushing the sheet through a pair of inwardly rotating rollers see buckle folding.
刀式折页用刀把纸推过一对向内旋转的滚轴而把纸屈折的方法。参阅栅栏式折页。
Knife folding Method of folding sheets of paper by means of a knife pushing the sheet through a pair of inwardly rotating rollers, See Buckle folding.
刀式折页用刀把纸推过一对向内旋转的滚轴而把纸屈折的方法。参阅栅栏式折页。
Knife folding method of folding sheets of paper by means of a knife pushing the sheet through a pair of inward ly rotating rollers see buckle folding.
刀式折页用刀把纸推过一对向内旋转的滚轴而把纸屈折的方法。参阅栅栏式折页。
Vertical folding can be operated three times in combination of the buckle plates and the knives. Perforating, creasing and slitting can also be operated during folding process as required.
采用栅刀混合式折页时，可进行三次垂直折页，并且可在折页过程中根据需要进行打孔、压痕、分切等工作。
Near NW-SE compressive folding occurred in early Yanshan orogeny, when it began to buckle.
燕山早期运动主要为NW-SE向的挤压褶皱作用，断裂带走向开始弯曲变形；
Near NW-SE compressive folding occurred in early Yanshan orogeny, when it began to buckle.
燕山早期运动主要为NW-SE向的挤压褶皱作用，断裂带走向开始弯曲变形；
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