A.3392吨
B.500吨
C.3571吨
D.3607吨
[单选题]A.68.16B.79.83C.72.82D.56.48
[单选题]A.静止状态B.临界平衡状态C.滑动状态D.条件不足,不能确定
[单选题]A.9143吨B.9052吨C.8875吨D.8599吨
[单选题]A.10%B.12%C.8%D.20%
[单选题]A.静止状态B.临界平衡状态C.滑动状态D.条件不足,不能确定
[单选题]A.tanf≤θB.tanf>θC.tanθ≤fD.tanθf
[单选题]A.10%B.12%C.8%D.20%
[单选题]A.011010011B.011110010C.100101100D.100001101