Sign in
|
English
|
Terms of Use
Dictionary
Forum
Contacts
English
⇄
Chinese
+
G
o
o
g
l
e
|
Forvo
|
+
to phrases
variable-frequency method
This HTML5 player is not supported by your browser
earth.sc.
★
变频法
variable- frequency method
:
2 phrases
in 2 subjects
Air defense
1
Technology
1
Add
|
Report an error
|
Get short URL
