roughness sample plate [机] 粗糙度样板
Stainless steel plate was widely used in production and decoration field, its surface roughness has great influence on product quality.
不锈钢板在生产和装饰材料中得到越来越多的应用，其表面粗糙度对产品质量有着重要影响。
Not the correct use of cast iron plate, if use flat surface roughness of workpiece inspection can cause soon wear etc.
不正确使用铸铁平板，如用平板检验表面粗糙的工件会造成很快磨损等。
The factors influencing screen printing precision were analyzed including mesh geometry parameters, the plate thickness, and the surface roughness.
分析了丝网目数、丝径等几何参数及网版的厚度、粗糙度对丝网印刷精度的影响；
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