Sign in
|
English
|
Terms of Use
Dictionary
Forum
Contacts
Chinese
⇄
English
G
o
o
g
l
e
|
Forvo
|
+
超声波淬火
met.
ultrasonic quenching
;
supersonic hardening
tech.
supersonic quenching
Add
|
Report an error
|
Get short URL
|
Language Selection Tips