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罗宾斯土压平衡盾构机作战成都地铁
在成都地铁2号线工程中,软粘土、一排巨石和急转弯都增加了额外的难度。两台罗宾斯直径6.3米土压平衡盾构机采用主动铰接统进行定制设计,以每周180米的速度在地下挖掘隧道。
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