A.58 B.68 C.78 D.88
A.10 B.11 C.12 D.13
A.下游防護(hù)對(duì)象的防洪標(biāo)準(zhǔn) B.設(shè)計(jì)標(biāo)準(zhǔn) C.校核標(biāo)準(zhǔn) D.設(shè)計(jì)保證率