金银器
2012-08-13 浏览:925
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1、产品表面光洁、边部无毛刺、其主体表面粗糙度Ra值小于0.20μm
2、叉类内侧无残留抛光蜡
3、产品表面有直径为0.5mm以下的疵点,但在20cm2内不超过四点。
