A.1/1000,2,0.1; B.1/1000,2,0.2; C.2/1000,3,0.2; D.2/1000,3,0.1
A.襯砌前圍巖注漿; B.襯砌后圍巖注漿; C.預(yù)注漿; D.回填注漿
A.多道設(shè)防; B.剛?cè)嵯酀?jì); C.兼顧環(huán)保; D.保護(hù)環(huán)境