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潜孔钻具

潜孔钻管

Down-the-hole drilling pipes

潜孔钻管采用冷拔无缝管材料 N80 以确保平直度、厚度和高强度,从而实现更顺利的钻进过程和更长的使用寿命。 该钻管系列可提高钻机和钻具之间的兼容性。

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