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Shield Machine Preceding Cutter / Auxiliary Cutting for Enhanced Efficiency
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1. Pre-Loosens Soil: Cuts the tunnel face before the main scrapers, segmenting the soil and significantly improving cutting conditions.
2. Increases Efficiency: Reduces load and wear on main cutters, lowers cutter head torque, and increases advance rate.
3. Improves Muck Fluidity: Effectively increases the fluidity of excavated soil, preventing the formation of mud cakes.