Sign in
|
English
|
Terms of Use
Dictionary
Forum
Contacts
English
⇄
Chinese
German
Italian
Russian
G
o
o
g
l
e
|
Forvo
|
+
fan drilling
expl.
扇形炮孔凿岩
tech.
扇形钻孔
;
扇形孔凿岩
;
扇形布孔钻进
Add
|
Report an error
|
Get short URL
|
Language Selection Tips
