Sign in
|
English
|
Terms of Use
Dictionary
Forum
Contacts
English
⇄
Chinese
Russian
G
o
o
g
l
e
|
Forvo
|
+
fail-safe close valve
dril.
故障自动关闭阀
oil
故障自闭阀
Add
|
Report an error
|
Get short URL
|
Language Selection Tips