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Oil drum moving frame for trolley of shield tunneling machine
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Supporting mechanism for rolling large-diameter steel plate
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Electromagnet positioning device for pipe piece transfer trolley
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Dustproof device for pipe piece mold translation mechanism
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Automatic welding device for steel-structure parts of shield machine
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Welding method of steel-structure parts of shield machine
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Rotary joint of shield machine
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Automatic deviation rectifying system for shield machine and operating method of automatic deviation rectifying system
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Emergency tail seal device for shield machine and mounting structure thereof
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Positioning mechanism of end die and side die of reducer broad sleeper die
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Adjustable shock mount for a die
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Reducer broad sleeper die
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Double independent driving system for shield machine
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Cutter head structure of hard rock shield machine, used for mounting fixed hob with square bearing seats
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Hard rock shield machine cutter head structure with square axle bed fixed type hobbing cutter installed
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Rotary mechanism of tube sheet splicing machine for shield machine
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Rotary table for welding of shield tunneling machine
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Large-tonnage duct piece vacuum suspender pneumatic control system
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