配送和仓储包装混合货站管理集装箱管理钢轨钻孔(Rail drill)管理可退回资产管理(譬如搬运箱)样品包装和发运运输安排和调度延伸供应链管理DHL提供诸多延伸供应链管理解决方案以涵盖附加化学制...
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electric rail drill 电动钢轨钻
rail bonding drill 钢轨钻孔机
Our products include: magnetic drill, threading machine, hollow bit and rail drill.
经营产品为：磁力钻，攻丝机，空心钻头及钢轨钻头。
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Sections of a drill which broke through the roof of a rail tunnel came from a construction site above the ground, accident investigators have found.
BBC: Construction drill came from site above rail tunnel
The Rail Accident Investigation Branch (RAIB) said the broken sections were part of an auger drill that had "penetrated the tunnel lining before falling on to the track".
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