试题与答案

160km/h及以下区段的线岔两工作支中任一工作支的垂直投影距另一股道线路中心()m

题型:填空题

题目:

160km/h及以下区段的线岔两工作支中任一工作支的垂直投影距另一股道线路中心()mm的范围内,不得安装任何线夹。

答案:

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参考答案:A

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6. ___________7. ___________8. __________9. ___________10.___________

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