Sign in
|
English
|
Terms of Use
Dictionary
Forum
Contacts
Chinese
⇄
English
G
o
o
g
l
e
|
Forvo
|
+
to phrases
【钢】二次供氧
met.
secondary oxygen supply
二次供氧:
2 phrases
in 1 subject
Metallurgy
2
Add
|
Report an error
|
Get short URL
|
Language Selection Tips
