Sign in
|
English
|
Terms of Use
Dictionary
Forum
Contacts
G
o
o
g
l
e
|
Forvo
|
+
bottom-hole coverage rate
This HTML5 player is not supported by your browser
oil
井底遮盖系数
bottom hole coverage rate
This HTML5 player is not supported by your browser
dril.
钻头齿
圈
对井底的覆盖率
Add
|
Report an error
|
Get short URL
|
Language Selection Tips
