Sign in
|
English
|
Terms of Use
Dictionary
Forum
Contacts
G
o
o
g
l
e
|
Forvo
|
+
to phrases
constant efficiency
This HTML5 player is not supported by your browser
busin.
恒定效率
refrig.
恒效率
constant efficiency
:
2 phrases
in 2 subjects
Economics
1
Space
1
Add
|
Report an error
|
Get short URL
