用玛瑙棒敲击声音发闷。有发现还没有大量数据支持的是貌似处理过的翡翠密度偏小。
•
注胶的翡翠紫外线灯下发强荧光?
-依心-
♀
(0 bytes)
()
05/19/2019 postreply
18:02:22
WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.
Copyright ©1998-2025 wenxuecity.com All rights reserved. Privacy Statement & Terms of Use & User Privacy Protection Policy