Sign in
|
English
|
Terms of Use
Dictionary
Forum
Contacts
English
⇄
Chinese
Russian
G
o
o
g
l
e
|
Forvo
|
+
jumper-boring bar
geol.
撞〔冲〕钻
jumper boring bar
eng.geol.
冲钻杆
Add
|
Report an error
|
Get short URL
|
Language Selection Tips
