高密度电阻率法和瞬变电磁法在煤田采空区勘查及注浆检测中的应用
고밀도전조솔법화순변전자법재매전채공구감사급주장검측중적응용
The application of the methods of high density resistivity method and transient electromagnetic to detecting coal mining goaf and to inspect grouting effect
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