Sign in
|
English
|
Terms of Use
Dictionary
Forum
Contacts
Chinese
⇄
English
Japanese
G
o
o
g
l
e
|
Forvo
|
+
倍频程带通滤波器
el.
octave band filter
tech.
octave band pass filter
Add
|
Report an error
|
Get short URL
|
Language Selection Tips
