题目内容
(请给出正确答案)
[单选题]
已知路线右角为270°42’,则其转角为()
A.右转90°42’
B.左转90°42’
C.右转60°42’
答案
A、右转90°42’
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A.右转90°42’
B.左转90°42’
C.右转60°42’
A、右转90°42’
A.φC=0.223°
B.φC=0.246°
C.φC=0.715°
D.φC=0.123°
A.α右=180°23'24
B.α右=18°23'24
C.α左=18°23'24″
D.α左=180°23'24
A.13.5 MPa,0.277°
B.14.5 MPa,0.3°
C.15.9 MPa,0.277°
D.13.5 MPa,O.3°
图示悬臂梁,若已知截面B的挠度和转角分别为vB和θB,则C端挠度为()。
A.vC=2uB
B.uC=θBα
C.vC=uB+θBα
D.vC=vB