Sign in
|
English
|
Terms of Use
Dictionary
Forum
Contacts
Chinese
⇄
English
G
o
o
g
l
e
|
Forvo
|
+
焦点投影与扫描〔偏转系统〕
gen.
focus projection and scanning
(deflection system)
Add
|
Report an error
|
Get short URL
|
Language Selection Tips
