buckle fold

基本解釋

Folding is based on one of two principles:knife- folding or buckle- folding , and the two may be combined in.
折紙的原理不外乎兩個：刀氏折或山氏折，這兩個方式可以結(jié)合于一部機上。
Parallel folding can be operated for two times with the buckle plates. Its mode of folding includes parallel fold, concertina fold and letter fold.
在采用柵欄折頁時可進(jìn)行兩次平行折頁，折頁方式為平行折、風(fēng)琴折、包芯折；
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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.
刀式折頁用刀把紙推過一對向內(nèi)旋轉(zhuǎn)的滾軸而把紙屈折的方法。參閱柵欄式折頁。