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.
主营产品:后扩底机械锚栓、自切底机械锚栓、扩孔钻头。
Main products: After mechanical reamed anchor bolt, anchor bolt, self undercut machine reamer.
主营产品:后扩底机械锚栓、自切底机械锚栓、切扩一体式机械锚栓、扩孔钻头。
Main products:After mechanical reamed anchor bolt, anchor bolt, self undercut machine reamer.
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