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Horizontal Bursting, Boring & Piercing April 24, 2014 The JT60 is two directional-boring machines in one -- an all-terrain machine capable of boring rock, and an effective dirt dri

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Maidl, B., Schmid, L., Ritz, W. and Herrenknecht, M. (2008) Basic Principles and Definitions, in Hardrock Tunnel Boring Machines, Wiley-VCH Verlag GmbH & Co. KGaA, Weinhe

《Hardrock Tunnel Boring Machines》(Bernhard Maidl,Leonhard

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Rock Boring; Rock Drilling; Explosives and Blasting; Coal-Cutting

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