“trial operation of urban rail transit”的概念、定义、翻译、参考文献-科学参考

单词	trial operation of urban rail transit
释义	trial operation of urban rail transit Encyclopedia 工学城市轨道交通工程释 trial operation of urban rail transit城市轨道交通工程试运营城市轨道交通工程在所有设施设备验收合格，整体系统的可用性、安全性和可靠性经过试运行检验合格后，在正式运营前所从事的载客运营活动。
随便看	boundary of a polygon boundary of a set boundary of a simplex boundary of a strip boundary of a surface boundary of a topological manifold boundary of a topological space boundary of convexity boundary of firm boundary of the systems boundary operation boundary operator boundary parallel surface boundary phase boundary pillars in scenic and historic area boundary plane boundary point boundary point lemma boundary problem boundary property boundary property of analytic function boundary reduction boundary refraction boundary regularity boundary relation

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