Sign in
|
English
|
Terms of Use
Dictionary
Forum
Contacts
G
o
o
g
l
e
|
Forvo
|
+
micro-sequential contour blasting
This HTML5 player is not supported by your browser
expl.
微小延时连续边界爆破
一种控制边界爆破的方法,其等高孔炮孔之间的延时间隔很短〈巷道爆破延时在1. 5ms 左右〉，该方法对降低地面振动很有效
Add
|
Report an error
|
Get short URL
