怎样辨别淡水珍珠的真假?听人说,把两颗珠子相互摩擦,能磨出粉状的东西就是真的,是这样么?我有两串珍珠,一串能磨出粉状的东西,但珠子表面能看出划痕,而且抹不掉,一串珠子磨不出粉来,但
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/13 13:57:14
![怎样辨别淡水珍珠的真假?听人说,把两颗珠子相互摩擦,能磨出粉状的东西就是真的,是这样么?我有两串珍珠,一串能磨出粉状的东西,但珠子表面能看出划痕,而且抹不掉,一串珠子磨不出粉来,但](/uploads/image/z/3546348-60-8.jpg?t=%E6%80%8E%E6%A0%B7%E8%BE%A8%E5%88%AB%E6%B7%A1%E6%B0%B4%E7%8F%8D%E7%8F%A0%E7%9A%84%E7%9C%9F%E5%81%87%3F%E5%90%AC%E4%BA%BA%E8%AF%B4%2C%E6%8A%8A%E4%B8%A4%E9%A2%97%E7%8F%A0%E5%AD%90%E7%9B%B8%E4%BA%92%E6%91%A9%E6%93%A6%2C%E8%83%BD%E7%A3%A8%E5%87%BA%E7%B2%89%E7%8A%B6%E7%9A%84%E4%B8%9C%E8%A5%BF%E5%B0%B1%E6%98%AF%E7%9C%9F%E7%9A%84%2C%E6%98%AF%E8%BF%99%E6%A0%B7%E4%B9%88%3F%E6%88%91%E6%9C%89%E4%B8%A4%E4%B8%B2%E7%8F%8D%E7%8F%A0%2C%E4%B8%80%E4%B8%B2%E8%83%BD%E7%A3%A8%E5%87%BA%E7%B2%89%E7%8A%B6%E7%9A%84%E4%B8%9C%E8%A5%BF%2C%E4%BD%86%E7%8F%A0%E5%AD%90%E8%A1%A8%E9%9D%A2%E8%83%BD%E7%9C%8B%E5%87%BA%E5%88%92%E7%97%95%2C%E8%80%8C%E4%B8%94%E6%8A%B9%E4%B8%8D%E6%8E%89%2C%E4%B8%80%E4%B8%B2%E7%8F%A0%E5%AD%90%E7%A3%A8%E4%B8%8D%E5%87%BA%E7%B2%89%E6%9D%A5%2C%E4%BD%86)
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