Sign in
|
English
|
Terms of Use
Dictionary
Forum
Contacts
English
⇄
Chinese
G
o
o
g
l
e
|
Forvo
|
+
constant rotary speed variable weight
dril.
定转速变钻压
法
;
稳定转速改变钻压钻井法
oil
定转速变钻压
constant rotary speed, variable weight
earth.sc.
定
转
速变
钻
压法
钻井最优化方法之一
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