若对称基本型平曲线的JD桩号为K6+112.5,切曲差,则曲线中点的桩号为() A.K6116.14B.K6108.86C.K6105.22D.K6110.68
若对称基本型平曲线的JD桩号为K6+112.5,切曲差,则曲线中点的桩号为()
A.K6116.14
B.K6108.86
C.K6105.22
D.K6110.68
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