Sign in
|
English
|
Terms of Use
Dictionary
Forum
Contacts
Chinese
⇄
English
G
o
o
g
l
e
|
Forvo
|
+
to phrases
隔声等级
archit.
noise isolation class
tech.
sound-insulating grading
;
sound insulation class
;
sound insulation grading
;
sound-proof class
隔声等级
:
1 phrase
in 1 subject
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