Sign in
|
English
|
Terms of Use
Dictionary
Forum
Contacts
Chinese
⇄
English
Russian
G
o
o
g
l
e
|
Forvo
|
+
to phrases
重钻杆
eng.geol.
sinker bar
重钻杆:
36 phrases
in 6 subjects
Drilling
10
Earth sciences
5
Engineering geology
4
Mechanics
4
Oil / petroleum
4
Technology
9
Add
|
Report an error
|
Get short URL
|
Language Selection Tips