【判断题】【消耗次数:1】
单开道岔平行线路联接计算中道岔曲轨与平面曲线连接处的直线段C可小于零。
正确
错误
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相关题目
【单选题】 单开道岔非平行线路联接计算下列参数中哪项是设计者选定的?
①  δ
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【简答题】 证明:平面曲线的挠率为零
【判断题】 挠率恒等于零的曲线是平面曲线.
①  正确
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①  正确
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