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Excavación subterránea
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Hubei # phosphate mine, KJ311 rock drilling jumbo equipped with the WOSERLD M13B/D rock drillHubei # phosphate mine, section 5×5 meters, KJ311 rock drilling jumbo2023-05-23 -
Hubei phosphate mine, 281 rock drilling jumbo equipped with the WOSERLD A18D+ rock drill, drilling hole depth of 4 meters, with an average drilling time of 1 minute and 50 seconds.Hubei phosphate mine, 281 rock drilling jumbo equipped with the WOSERLD A18D+ rock drill, drilling hole depth of 4 meters, with an average drilling time of 1 minute and 50 seconds.2023-05-17