Sign in
|
English
|
Terms of Use
Dictionary
Forum
Contacts
English
⇄
Chinese
French
German
Japanese
Russian
G
o
o
g
l
e
|
Forvo
|
+
backflow preventer
agric., water.suppl.
单向阀
;
回流防止阀
tech.
倒流防止器
;
逆止阀
;
回流防止器
;
防止回流设施
;
防回流装置
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