This machine is used to perform leather bending test . After testing for a certain period of time , observe the leather if cracks or breaks to judge the quality of leather .
本机系用来测试皮革屈曲特性，在屈曲规定的次数后，取下试件，观察其龟烈或受损情形，据以判断皮革的品质。
This machine is used to perform leather bending test . After testing for a certain period of time , observe the leather if cracks or breaks to judge the quality of leather .
本机系用来测试皮革屈曲特性，在屈曲规定的次数后，取下试件，观察其龟烈或受损情形，据以判断皮革的品质。
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