Diameter 6.52m*W11.12m Double circle shield machine
Location: Shanghai Subway No.6
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Diameter 6.14m single circle shield machine
Location: Beijing Subway No.10
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Diameter 6.34m single circle shield machine

Location: Tianjing Subway No.1
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Turbid water pressure type(composite type)-IHI
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Arching rectangled earth pressure balance type-IHI
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