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Diameter-variable shield and diameter-variable method
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Super large section tunnel tunnelling host computer and shield structure machine
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Shield tunneling machine starting device and shield tunneling machine starting method
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Prefabricated coupling device between pipe joints and construction method applying prefabricated coupling device
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Shield diameter measuring device and excavation diameter determining method
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Hydraulic control system for telescopic main drive and cutter head swing of large-diameter shield tunneling machine
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Hydraulic control system of shield machine main drive anti-torsion device
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Shield tunneling machine quarrying device and working method
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Tunnel construction method and shield tunneling machine
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Control method for excavation path of cantilever excavator
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Wire winding device
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Cantilever excavator and construction method thereof
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Starting device of development machine
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Water jet flow breaking-in and expanding heading machine and construction method thereof
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