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| 2014, Vol. 51(2): 122-126 DOI: | ||
| Construction Techniques for Mutually Connected Clustered Excavations with Complex Ventilation Channels and Rooms | ||
| (No.2 Construction Company of China Railway, No.2 Engineering Group Co. Ltd., Chengdu 610092) | ||
| Received null Revised null | ||
| Supporting info | ||
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