life-saving drill 救生演习
To achieve high efficiency energy - saving, the hydraulic design of technological innovation is applied to the light down the hole drill.
将液压设计技术创新性地应用于轻型潜孔钻机中,实现高效节能。
The drill tool has the advantages of capable of being used for drilling and tapping in a narrow space and the inside of a box part without using other devices, convenience and cost saving.
本发明具有以下效果:不使用其它设备,即可在隘小空间和箱体零件内部进行钻孔和攻丝,方便且节约成本。
Compares with drill emission hole, the use of cutting method to against coal and gas outburst prominent have characteristics of security, time and labour-saving, and easy to operate.
与排放钻孔相比,使用掏槽法防突具有省时、省力、容易操作以及安全性好等特点。
应用推荐