TSP在高地温—高地应力隧道地质预报中的问题及改进
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Problems and improvements of Tunnel Seismic Prediction in geological prediction of tunnels under high geotemperature and high in-situ geostress
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图4. 绝热保温袋起爆药包材料试验 |
Fig.4. Test of initiating charge pack material for thermal insulation bag |
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