Sign in
|
English
|
Terms of Use
Dictionary
Forum
Contacts
Chinese
⇄
English
G
o
o
g
l
e
|
Forvo
|
+
to phrases
普通钻铤
dril.
smooth drill collar
;
slick drill collar
;
steel drill collar
;
steel drilling collar
普通钻铤
:
2 phrases
in 1 subject
Drilling
2
The server is undergoing maintenance and the site is working in read-only mode. Please check back later.">
Add
|
The server is undergoing maintenance and the site is working in read-only mode. Please check back later.">
Report an error
|
Get short URL
|
Language Selection Tips