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Mortar pipe embedded tail shield
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Fast unloading device for segments of shield machine
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Tail shield sealing grease
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Gripping device of segment erector of shield tunneling machine
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Driving mechanism of shield machine screw conveyor
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Bucket-wheel type slag removal device of open rock heading machine
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Water cooling system of shield tunneling machine
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Foaming system of shield tunneling machine
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Pipe segment transporter of shield tunneling machine
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Shaft-end deslagging spiral conveyer
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