A.20% 1 B.10% 2 C.20% 3 D.10% 3
A.地質(zhì)預(yù)報(bào) B.超前地質(zhì)預(yù)報(bào) C.技術(shù)交底 D.超前預(yù)報(bào)
A.1 2 B.3 2 C.2 1 D.2 3