Sign in
|
English
|
Terms of Use
Dictionary
Forum
Contacts
Chinese
⇄
English
G
o
o
g
l
e
|
Forvo
|
+
to phrases
凝灰岩层
tech.
ash bed
凝灰岩层:
7 phrases
in 3 subjects
Engineering geology
1
Oil / petroleum
3
Technology
3
Add
|
Report an error
|
Get short URL
|
Language Selection Tips
