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发布时间:2020-06-20 22:27:06
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<span style="font-family:仿宋_GB2312;font-size:15pt;"><span style="font-family:仿宋_GB2312;font-size:15pt;"><span style="font-family:仿宋_GB2312;font-size:15pt;">线路上冻起高度超过()<span>mm</span>时,两端顺坡之间应有不短于<span>10m</span>的过渡段,其坡度应与线路坡度一致。</span></span></span>
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