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铁路营业里程
释义
铁路营业里程
Encyclopedia
理学
【运输和邮电】
释
railway mileage
铁路营业里程
投入客货运输营业或临时营业的线路长度,包括正式营业和临时营业里程,统计范围为全国铁路。又称营业长度。
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更新时间:2026/8/30 13:22:27