Sign in
|
English
|
Terms of Use
Dictionary
Forum
Contacts
English
⇄
Chinese
G
o
o
g
l
e
|
Forvo
|
+
surface short-hole blasting
expl.
露天浅孔爆破
特指露天岩土开挖、二次破碎大块时采用的炮孔直径小于 50mm,深度小于 5m 的爆破作业
Add
|
Report an error
|
Get short URL
|
Language Selection Tips