After coke oven hole reaming at Nangang coal gas cleaning system technology of old coke oven is improved, the result shows that the system operation is stabilized.
对南钢焦炉扩孔后原焦炉煤气净化系统工艺进行了改进，系统平稳运行，取得了良好效果。
Reaming is one of the finish machining methods of hole.
铰孔是孔的精加工手法之一。
It is mainly be used for drilling, reaming, the cutter hole , tapping and so on.
主要用来进行钻孔、扩孔、工科论文绞孔、攻丝等。
The technology for boring-reaming the bolt hole of pin connecting original main shaft with new runner of turbine in site of Danjiangkou hydropower plant and its effect are described.
介绍了丹江口电厂在机组改造增容中新转轮与原大轴连接销钉螺栓孔工地同镗铰所采用的方法及达到的效果。
The reaming drill bit in slim hole is a key tools of re-drilling in existing well.
小井眼扩孔钻头是老井重钻的关键设备。
The reaming drill bit in slim hole is a key tools of re-drilling in existing well.
小井眼扩孔钻头是老井重钻的关键设备。
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