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| 2012, Vol. 49(1): 132-137 DOI: | ||
| Design and Construction of the Gaoqiao Tunnel on the Zhengzhou-Xi'an Passenger Dedicated Line Passing Under the Existing Railway | ||
| (China Railway First Survey & Design Institute Group Co., Ltd., Xi'an 710043) | ||
| Received null Revised null | ||
| Supporting info | ||
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