Laser welding thin wall bit is characterized by high welding strength of bit teeth, no falling out of the teeth and mass production by non water dry drilling.
激光焊接薄壁钻头的显著特点是钻齿焊接强度高，不掉齿，可以用于无水干钻，便于实现大批量规模化生产。
For bedrock drilling ordinary hard alloy driller can be adopted for vertical core-drilling with the addition of clear water during rotation. for overburden dry drilling process can be adopted.
基岩钻探方法以采取普通硬质合金清水回转垂直取心钻进，覆盖层采用干钻。
Meanwhile, in Kenya, which has long lorded it over its poorer neighbour, exploration firms keep drilling dry holes, to Ugandans’ delight.
与此同时，使乌干达感到欣慰的是，肯尼亚，这个老是把乌干达看作穷邻居而抬举自己的国家，石油公司在那里一直只能钻出干井，还没能见到半点石油。
This company mainly produces various series of drilling screw with tapping screw dry wall screw fiber board screw self - tapping screw machine screw all kinds of non-standard goods.
公司主要生产各系列的自钻自攻螺钉、干壁钉、纤维板钉、自攻螺钉、机螺钉及各种非标准产品。
Drilling a development well results in either an oil or gas development well or a dry development well.
所钻的开发井可能成为产油或气的开发井，也可能为干井。
The current shallow hole drill rigs can't meet the desire of shallow hole drilling and sampling in difficultily entered area and dry area.
本钻机吸取了国内外轻便钻机的结构型式特点，结合作业环境和取样要求，设计出一种振动冲击式、轻型的、易拆装、方便搬迁的新型轻便浅孔钻机。
The NC solid carbide compound-drilling tool used in dry cutting automobile parts is developed.
开发了用于汽车零件干式切削的数控整体硬质合金复合孔加工刀具。
This company mainly produces various series of self-drilling screw with tapping screw, dry wall screw, fiber board screw, self-tapping screw, machine screw, all kinds of non-standard goods.
主要生产各系列的自鉆自攻螺钉、干壁钉、纤维板钉、自攻螺钉、机螺钉及各种非标准产品。
This company mainly produces various series of self-drilling screw with tapping screw, dry wall screw, fiber board screw, self-tapping screw, machine screw, all kinds of non-standard goods.
主要生产各系列的自鉆自攻螺钉、干壁钉、纤维板钉、自攻螺钉、机螺钉及各种非标准产品。
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