Sign in
|
English
|
Terms of Use
Dictionary
Forum
Contacts
Chinese
⇄
English
G
o
o
g
l
e
|
Forvo
|
+
to phrases
开口
孔径
面积
效率
el.
aperture efficiency
开口效率
telecom.
aperture efficiency
开 口效率:
3 phrases
in 3 subjects
Architecture
1
Space
1
Technology
1
The server is undergoing maintenance and the site is working in read-only mode. Please check back later.">
Add
|
The server is undergoing maintenance and the site is working in read-only mode. Please check back later.">
Report an error
|
Get short URL
|
Language Selection Tips