发布时间:2025-01-23 09:15:11
乌伊岭玛瑙百分之九十九以上的产品都经过后期加工染色而成,佩戴时间久了就会掉色,对身体也有一定伤害。进行加工后,摇身一变成为昂贵的品种,令消费者们受骗上当。还有一些商家会对普通石头进行加工,利用各种各样的工艺对石头进行刻画或者染色,看起来与名贵的玛瑙没有任何区别,从而以假乱真。
选用花岗岩广场及楼梯踏步铺贴用芝麻白或灰火烧面能有什么相似或更便宜的代替
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