Meanwhile, a non deformable, double directional cutting method for shearing tube was pointed out.
同时进一步提出了钢管的无变形剪切方法—双向切割法。
You're half right. The paper-cutting method is divided into two main types: cutting, and carving.
前一种方法主要是用剪刀剪成的，但这种方法比较慢；
The last one is cutting pattern analysis, which generated the number of membrane block and the cutting method.
第三个阶段是裁剪分析阶段，即生成平面膜材的裁剪下料图。
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