刚刚搜了一下,似乎是工厂检测的一部分。用不同颜色标记产品是否合格。蓝色或绿色可能标记产品合格。所以不需要清洁。
本帖于 2024-11-12 06:26:05 时间, 由普通用户 sillywoman 编辑
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