随机楔体的破坏是岩石开挖边坡中常见的破坏类型之一。
Random wedge failure is one of the common failure types of rock slope excavation.
趾板基础开挖分两期进行，一期为一般开挖，二期为岩石开挖。
The plinth foundation excavation work was divided by two stages the first one was ordinary excavation, the second one was rock excavation.
本文结合龙首水电站工程，较全面地研究了岩石开挖爆破的机理及生产试验的方法。
Combining Longshou Waterpower Station Project the mechanism of rock excavation explosion and production test method are studied more completely.
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