Sign in
|
English
|
Terms of Use
Dictionary
Forum
Contacts
English
⇄
Chinese
Russian
Ukrainian
G
o
o
g
l
e
|
Forvo
|
+
up the hole testing
dril.
自下而上
分层
测试
tech.
自上而下试验
up-the-hole testing
oil
自下而上试井
Add
|
Report an error
|
Get short URL
|
Language Selection Tips
