hole drilling meaning in English
打眼
井孔钻进
Examples
- Blasting with small changes inserted into holes drilled into a stump is a considerably milder method .
在树桩里打眼，并装填少量炸药进行爆破，是另一种稳妥得多的方法。 - Hydraulic tap hole drill with folding rotary mechanism
转臂折叠式全液压开铁口机 - Practice of treating rock wall toe with down - the - hole drill
空压机的节能降耗实践 - Model swdb 120 mono - body hydraulic down - the - hole drill
120型一体化液压潜孔钻机 - Motor used in electric bolt - hole drill for coal mine
煤矿用电动锚杆钻机电动机