钻眼 meaning in English

drillings
perforation

A combination of cushion blasting and line-drilling can be suitable .
缓冲爆破和轮廓线钻眼法结合使用可能比较合适。
Instead of bulldozing off the clay and exposing the rock, drilling was carried out through the clay and the rock by the use of special equipment .
在这里使用特殊设备穿入土层和基岩中进行钻眼，以取代常规的清除掉淤泥层使基岩外露的施工方法。
Prevention of deviation drilling
防偏钻眼
Percussive rotary drilling
冲积转式钻眼
Pillar extraction drilling
煤柱回采钻眼

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