Sign in
|
English
|
Terms of Use
Dictionary
Forum
Contacts
G
o
o
g
l
e
|
Forvo
|
+
grain-size scale
This HTML5 player is not supported by your browser
met.
粒度等级
tech.
粒径分级标尺〔刻度〕
Add
|
Report an error
|
Get short URL
