upward hole的意思|示意
upward hole相关短语
1、 large-angle upward hole 大角度上仰孔
2、 Vertical upward hole blasting 顶孔垂直爆破
3、 upward threaded hole 向上抽芽孔
4、 upward drainage hole 仰孔
5、 upward vertical hole 倒垂孔
6、 Hole Upward 孔朝
7、 upward fan-shaped hole 上向扇形炮孔
8、 upward medium-length hole 上向中深孔
9、 upward oblique unwatering hole 仰斜疏干孔
upward hole相关例句
The paper mainly introduced the construction method for anchor cable with large-angle upward hole in tailrace surge tank.
介绍了尾水调压室大角度上仰孔锚索的施工方法。
Result shows that drainage effectiveness of upward hole has an obvious advantage over that of plumb hole.
结果表明，仰孔的排水效果明显优于铅孔。
The destroy of the roof produced by stress wave of upward hole side blasting is less than that of the level hole blasting. The work of prizing flexible rock decreased by 58. 3%.
上向孔侧向崩矿爆炸应力波对采场项板的破坏比水平落矿爆炸应力波对采场顶板的破坏要小，从而使撬毛工作量减少了58.3％。