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HN•NC海纳VMD-130135大直径深孔暴力钻头
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HN•NC海纳VMD-135140大直径深孔暴力钻头
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HN•NC海纳VMD-140150大直径深孔暴力钻头
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HN•NC海纳VMD-150160大直径深孔暴力钻头
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HN•NC海纳VMD-160170大直径深孔暴力钻头
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HN•NC海纳VMD-170180大直径深孔暴力钻头
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HN•NC海纳VMD-055060大直径深孔暴力钻头
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HN•NC海纳VMD-060065大直径深孔暴力钻头
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HN•NC海纳VMD-065070大直径深孔暴力钻头
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HN•NC海纳VMD-070075大直径深孔暴力钻头