Sign in
|
English
|
Terms of Use
Dictionary
Forum
Contacts
English
⇄
Chinese
Russian
Ukrainian
G
o
o
g
l
e
|
Forvo
|
+
blank hole
dril.
裸眼
eng.geol.
未下套管钻孔
tech.
未下套管井段
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