In the connection design of steel structure, the shear plate with high-strength bolt connection is extensively used at the flexible joint where the beam is connected to the weak axis of the column.
The basic blaster technology of intensifying a beam of light into a deadly bolt is scalable, and largely the same despite the differences in weapon types and sizes.
尽管武器类型和尺寸各不相同，但把光束增强为致命能量束的基本爆能技术是简便且大致相同的。
3
Forward support bolt combined with roop rock by bolting can play a roll of combined beam, which can prevent roof rock caving immediately after explosion.