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Drilling Jumbo Commissioning hauv Underground Lead thiab Zinc Mine
Hauv cov mining hauv av, laum rigs yog cov cuab yeej tseem ceeb rau kev rho tawm cov zaub mov muaj txiaj ntsig thiab ores.Drilling jumbo/drilling rig yog ib qho khoom siv muaj zog siv los laum qhov hauv cov pob zeb nyuaj rau kev ua haujlwm mining thiab tunneling.Peb cov hydraulic drilling rigs ...Nyeem ntxiv