Sign in
|
English
|
Terms of Use
Dictionary
Forum
Contacts
Chinese
⇄
English
G
o
o
g
l
e
|
Forvo
|
+
to phrases
隧道顶板
tech.
ceiling slab
;
roof of tunnel
;
tunnel roof
隧道顶板:
1 phrase
in 1 subject
Metallurgy
1
Add
|
Report an error
|
Get short URL
|
Language Selection Tips
