Sign in
|
English
|
Terms of Use
Dictionary
Forum
Contacts
G
o
o
g
l
e
|
Forvo
|
+
shadow pattern method
This HTML5 player is not supported by your browser
jewl.
阴影图案法
(用二碘甲烷浸液区分明亮琢型钻石与仿制品的一种方法)
Add
|
Report an error
|
Get short URL