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ZDY5700LD Crawler type fully hydraulic tunnel drilling rig for coal mines (directional)
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ZDY6000LD Crawler type fully hydraulic tunnel drilling rig for coal mines (directional)
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ZDY6600LD Crawler type fully hydraulic tunnel drilling rig for coal mines (directional)
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ZDY7400LD Crawler type fully hydraulic tunnel drilling rig for coal mines (directional)
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ZDY8000LD Crawler type fully hydraulic tunnel drilling rig for coal mines (directional)
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ZDY5000LD Crawler type fully hydraulic tunnel drilling rig for coal mines (directional)
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ZDY3200LD Crawler type fully hydraulic tunnel drilling rig for coal mines (directional)
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ZDY3700LD Crawler type fully hydraulic tunnel drilling rig for coal mines (directional)
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ZDY4200LD Crawler type fully hydraulic tunnel drilling rig for coal mines (directional)
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ZDY4000LD Crawler type fully hydraulic tunnel drilling rig for coal mines (directional)
