The wearing tests of the knitted acrylic fabric of self-twist and ring spinning yarn is conducted by means of the wear testing instrument, the weartrial and the scanning election microscope.
本文介绍了用耐磨仪、试穿和扫描电镜三种试验手段,对自捻纱和环锭纱腈纶针织物所作的耐磨性能测试情况。
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In a six-week trial commissioned by Skechers, a dozen women were given the shoes and told to wear them during their normal daily activities and walking programs.
At present, the technical parameters and the wear rate of the retaining ring are confirmed through trial or experience, which usually has longer periods, higher cost and larger waste.