Sign in
|
English
|
Terms of Use
Dictionary
Forum
Contacts
G
o
o
g
l
e
|
Forvo
|
+
setting-out of roadway gradient
This HTML5 player is not supported by your browser
expl.
巷道坡度线标定
在巷道侧帮距底板一定高度标定巷道的设计坡度
mineral.
★
巷道坡度线标定
Add
|
Report an error
|
Get short URL
