Sign in
|
English
|
Terms of Use
Dictionary
Forum
Contacts
English
⇄
Chinese
Russian
Ukrainian
G
o
o
g
l
e
|
Forvo
|
+
tapered tubing
oil
复合油管柱
;
直径分段减小的油管柱
tech.
等压油管柱
;
变直径油管柱
;
变径油管柱
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