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| 2019, Vol. 56(6): 41-46 DOI: | ||
| Research on the Distribution Characteristics and Migration Law of Shallow Natural Gas of Longquanshan Tunnel on Chengdu Metro | ||
| (China Power Construction Chengdu Construction Investment Co., Ltd., Chengdu 610212) | ||
| Received null Revised null | ||
| Supporting info | ||
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