Backhoe loader and double rock drillers for blasing hole drilling and clean in underground coal mine
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Automatic roof botler for coal mine2020-06-15 15:12:15 |
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Driller Bolter and Loder for rock roadway2020-06-15 14:17:11 |
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Flameproofed side dumping rock loader to clean the tunnel after blasting2020-05-25 15:53:37 |