... tunnel type air cooling freezer 隧道吹风冻结装置 tunnel wall influence 风洞壁效应 tunnel well 地轴弄污水井 ...
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Combining with JiuhuashanTunnel Project, influence of blasting in tunnel excavation on ancient wall is calculated and analyzed.
计算分析了南京九华山隧道工程开挖爆破对明古城墙的影响。
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