Sign in
|
English
|
Terms of Use
Dictionary
Forum
Contacts
Chinese
⇄
English
G
o
o
g
l
e
|
Forvo
|
+
开口炮孔
在分段顶部深炮孔之间钻岀的浅炮孔,用以增强破碎或处理井口区附近的硬岩层。偶尔用于露天爆破设计
expl.
stab hole
The server is undergoing maintenance and the site is working in read-only mode. Please check back later.">
Add
|
The server is undergoing maintenance and the site is working in read-only mode. Please check back later.">
Report an error
|
Get short URL
|
Language Selection Tips