crepe ratio
... crepe kraft 皱纹牛皮纸 crepe ratio 起皱率 creped wadding 皱纹医药卫生包装纸;皱纹包装纸 ...
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板料厚度大,不易起皱,但壁厚减薄率大,因而成形精度不高。
The thick blank is difficulty wrinkled, but the blank thinning is larger and result in a low forming precision.
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