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过碎 | |||
超挖 | |||
隧洞超挖 | |||
塌方 | |||
超爆超出预期崩落区的岩石排放。超爆的岩石量取决于所使用的爆破方法、岩石的结构和强度、地下岩洞开口的大小。参见 back-break | |||
过度断裂 | |||
岩石松动; 龟裂; 隧洞的超挖; 超控; 超爆; 地层结构上的塌方 | |||
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裂面过大 |
overbreak: 8 phrases in 4 subjects |
Bridge construction | 1 |
Engineering geology | 2 |
Explosives and Explosive Ordnance Disposal | 3 |
Technology | 2 |