directed blasting

• 定向爆破

directed blasting的用法和样例：

例句

1. The abandoned building will be demolished through directional blasting tomorrow.
   这个废弃建筑，明天就要进行定向爆破。
2. The demolition of hollow brick structure by multi point air coupling blasting is introduced.
   介绍了采用多点空气耦合爆破拆除技术对空心砖结构实施定向爆破。