A.75% B.80% C.95% D.98%
A.施工方案 B.抽樣方案 C.計數(shù)檢驗 D.計量檢驗
A.3d B.5d C.7d D.14d
A.5 B.8 C.10 D.15
A.1.0Mpa B.1.5Mpa C.1.2Mpa D.2.0Mpa