Sign in
|
English
|
Terms of Use
Dictionary
Forum
Contacts
Russian
⇄
Chinese
Danish
English
French
German
Polish
G
o
o
g
l
e
|
Forvo
|
+
опорный целик
stresses
mining.
支承矿柱
tech.
支承煤柱
;
支承煤柱矿柱
;
支撑柱
;
支柱
опорный цели́к
mineral.
矿柱
Add
|
Report an error
|
Get short URL
|
Language Selection Tips