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12.68米!我国最大直径土压平衡双护盾组合式隧道掘进机下线

12.68 meters! The largest diameter earth pressure balance double shield combined tunnel boring machine in China has been launched.

Breakings ·  Mar 26 07:41

According to a reporter from China Railway Construction Corporation, on March 26, the largest diameter soil pressure balance dual-shield combined tunnel boring machine "Qiangjihao" was successfully launched in Changsha, Hunan, and will be used for the construction of the 12.28-kilometer water conveyance tunnel in the southern section of the subsequent western channel project for the Hangjiahu Drainage System.

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