Sign in
|
English
|
Terms of Use
Dictionary
Forum
Contacts
Chinese
⇄
English
G
o
o
g
l
e
|
Forvo
|
+
油管可回收的地面控制的井下安全阀
mech.
tubing-retrievable, surface-controlled, subsurface safety valve
Add
|
Report an error
|
Get short URL
|
Language Selection Tips
