A.0.55~0.35 B.0.35~0.15 C.>0.55 D.0.75~0.55
A.RQD B.節(jié)理間距 C.節(jié)理密度 D.巖體完整性指數(shù)或巖體體積節(jié)理數(shù)
A.30~15MPa B.<5MPa C.15~5MPa D.<2MPa