广州地铁原位连续大尺寸可变径盾构机顺利下线|真实的国产乱ⅹxxx66v

1. 国产lx

9月30日,由广州地铁集团、中铁工程装备集团等单位参与研制的原位可变径盾构机“变径一号”在广东佛山下线。“变径一号”盾构机突破了传统盾构机“一生一径”的固有模式,具有原位变径、连续变径和大尺寸变径等功能,将首先应用于芳白城际广州火车站项目建设。中新社记者 陈骥旻 摄 

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发布于:北京市