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【判断题】
钢筋混凝土结构目前在小高层住宅中应用较为广泛。
A.
正确
B.
错误
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【单选题】外径为 D ,内径为众 d = 0.5D 的空心圆轴,两端受扭转力偶矩 T 作用,轴内的最大剪应力为 τ 。若轴的外径不变,内径改为 d 1 =0.8D ,则轴内的最大剪应力变为 。
A.
1.82 τ
B.
1.59 τ
C.
1.35 τ
D.
1.14 τ
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A.
TAM
B.
TIM
C.
LPN
D.
VPN
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A.
0.50
B.
0.5
C.
5.0
D.
2.0
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