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Riyadh economic large rock pellet machine

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Riyadh economic large rock pellet machine

There are three methods of tunnel construction being used on theRiyadhMetro project, each adapted to optimize the construction process of the whole network taking into account the speed, geology and above ground buildings in areas where the lines run. Tunnel BoringMachine(TBM) A tunnel boringmachineis a verylargescalerockdrill.

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