
A.10,11
B.0,11
C.0,10
D.以上结果都不对
[单选题]A.0.94B.0.22C.0.36D.0.24
[单选题]A.0.94B.0.22C.0.36D.0.24
[单选题]A.4倍B.3倍C.2倍D.1倍
[单选题]A.45B.50C.78.5D.90
[单选题]A.B.u,水平指右C.D.
[单选题]A.B.u,水平指右C.D.
[单选题]A.107.6kN/㎡和-6.6kN/㎡B.107.6kN/㎡和6.6kN/㎡C.120.6kN/㎡和-6.6kN/㎡D.120.6kN/㎡和6.6k