【判断题】
地下线道床排水沟纵向坡度宜与线路坡度一致
A. 对
B. 错
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答案
A
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1.轨距是左右两股钢轨内侧顶面以下___处的距离。
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3.作业验收时,轨距误差:规定宽不得超过___。
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4. 作业验收时,轨距误差:规定窄不得超过___。
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12.我国国家标准规定正直线1m范围内轨距不得有___以上的误差。
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14.在日常检查时,水平也用道尺进行检查,通常每___检查一处。
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