Sign in
|
English
|
Terms of Use
Dictionary
Forum
Contacts
English
⇄
Chinese
Danish
Finnish
French
German
Greek
Italian
Japanese
Portuguese
Russian
Spanish
Swedish
Ukrainian
G
o
o
g
l
e
|
Forvo
|
+
expansion bit
dril.
直径可变的钻头
eng.geol.
扩孔钻头
shipb.
伸缩式钻头
tech.
扩孔器
;
活络螺旋钻头
;
变径钻头
;
伸缩钻头
Add
|
Report an error
|
Get short URL
|
Language Selection Tips
