锥钻，打眼钉钻头倾斜的钻子，用于在木头上钻孔以钉角钉或螺钉。

An awl with a beveled tip, used to make holes in wood for brads or screws.

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正在翻译，请等待…路基挖石方采用风钻和潜孔钻打眼，小型松动爆破和深孔爆破，挖掘机和装载机装碴，自卸汽车运输，推土机配合。

Subgrade excavation of rock using pneumatic drill and DTH drill Hole drilling, loose blasting in small and deep hole blasting, excavators and loaders loading ballast, dump truck, bulldozer tie.

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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。

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.

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