单项选择题
A.Ks=1.38≥1.3满足 B.Ks=1.26≤1.5不满足 C.Ks=1.73≥1.35满足 D.Ks=1.13≤1.5不满足
A.0.4MPa-1;4.65MPa B.0.4MPa-1;2.65MPa C.0.3MPa-1;4.85MPa D.0.3MPa-1;4.55MPa