Sign in
|
English
|
Terms of Use
Dictionary
Forum
Contacts
G
o
o
g
l
e
|
Forvo
|
+
to phrases
optical loop
This HTML5 player is not supported by your browser
telecom.
光环路
optical loop
:
14 phrases
in 4 subjects
Electronics
9
Space
1
Technology
2
Telecommunications
2
Add
|
Report an error
|
Get short URL
