试片之一端表面作为内侧，另一端表面作为外侧，反复弯折至试片损伤时记录弯折次数。本机适用于鞋面、衣料、袋类等薄物皮革。
One of the specimen surface as the inner side, the other side as the outer surface, reciprocating bend it, until it is injured and record the bending number.
试片之一端表面作为内侧，另一端表面作为外侧，反复弯折至试片损伤时记录弯折次数。本机适用于鞋面、衣料、袋类等薄物皮革。
One of the specimen surface as the inner side, the other side as the outer surface, reciprocating bend it, until it is injured and record the bending number.
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