Sign in
|
English
|
Terms of Use
Dictionary
Forum
Contacts
G
o
o
g
l
e
|
Forvo
|
+
deflection of the bit
This HTML5 player is not supported by your browser
dril.
钻头偏离井眼轴线
tech.
钻头偏离钻孔位置
Add
|
Report an error
|
Get short URL
