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coal roadheader in operationa and maintenance

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coal roadheader in operationa and maintenance

Jan 01 2020 · The roadheader is a machine for excavating rock in mining and civil construction projects It is a hybrid machine with better manoeuvrability than that of tunnel boring machines It can cut rocks even up to 160 MPa if laminated or fractured in different tunnel profiles and adapts easily to changing operational conditions

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