1) umbrella drill
伞钻钻服
2) umbrella driller
伞钻
1.
In this paper, the blasting and drilling techniques are improved in the following aspects: drilling by umbrella driller, charging with plastic pipes, detonating with non-electrical detonators.
根据现场具体条件,改进钻爆工艺,采用伞钻打眼,塑料管装药,非电雷管起爆,优化爆破参数。
3) umbrella drilling
伞钻打眼
4) hydraulic umbrella drill
液压伞钻
1.
The 1~(st) domestic hydraulic umbrella drill is therefore introduced to accelerate drilling velocity with obvious effect as a new breakthrough for drilling and blasting.
为了更好地加快施工进度,在打眼爆破方面要有新的突破,引进国内首台液压伞钻,大大提高了的打眼速度,效果显著。
6) drilling machine
钻
补充资料：钻钻
1.以铁制刑具束颈﹑凿去髌骨的一种酷刑。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条