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折射波法地震勘探利用地震折射波在岩、煤层内的传播规律，确定地下折射界面的深度及其性质，以解决地质问题的物探方法
expl. refraction seismic survey; refraction seismic prospecting; refraction seismic exploration; refraction survey; refraction method
折射波法 地 震勘探: 1 phrase in 1 subject
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