Research on the safety evaluation and key technologies for the expressway construction on old goaf of coal mine
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Format: | Article |
Language: | zho |
Published: |
Surveying and Mapping Press
2019-05-01
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Series: | Acta Geodaetica et Cartographica Sinica |
Online Access: | http://html.rhhz.net/CHXB/html/2019-4-532.htm |