Sign in
|
English
|
Terms of Use
Dictionary
Forum
Contacts
Chinese
⇄
English
Russian
G
o
o
g
l
e
|
Forvo
|
+
深孔爆破开采法
expl.
deep-hole method
;
blasthole stoping method
;
longhole method
;
longhole drop raising
Add
|
Report an error
|
Get short URL
|
Language Selection Tips
