drainage borehole是什么意思

用法例句

A drainage borehole designed depth is 584.

永城矿区某矿排水钻孔设计孔深584。

The application of the rectifying a deviation and stabilizing technique through anchor rod static press pile and silt removal by borehole was expounded in detail.

对某６ 层砖混结构房屋较为严重的倾斜问题进行了全面分析，制订了综合性纠偏加固方案，着重对锚杆静压桩和钻孔排淤纠偏加固技术的应用进行了详细阐述，纠偏加固过程平稳，纠偏效果比较理想。