“railroad lines opened to traffic”的概念、定义、翻译、参考文献-科学参考

单词	railroad lines opened to traffic
释义	railroad lines opened to traffic 铁路营业里程
随便看	dovetailer dovetail feather dovetail female dovetail form dovetail groove dovetail guide dovetail halflap joint dovetail half-lap joint dovetail halved joint dovetail halving dovetail hinge dovetailing dovetailing machine dovetailing plane dovetail joint dovetail joist dovetail key dovetail key way dovetail keyway dovetail lap joint dovetailling dovetail machine dovetail(male) dovetail mitre dovetail plane

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