Sign in
|
English
|
Terms of Use
Dictionary
Forum
Contacts
Chinese
⇄
English
G
o
o
g
l
e
|
Forvo
|
+
使用经营方
甲方
钻杆的工作时数
dril.
hours with operator's drill pipe
Add
|
Report an error
|
Get short URL
|
Language Selection Tips