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Terms for subject Communications containing advance | all forms | exact matches only
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advance information预报
advance locking预先锁闭
advance sign前置标志
in advance of a signal信号机内方
in advance of a signal信号机后方
overlap section in advance of turnout岔前保护区段
overlay coding in advance预叠加电码化
section block in advance前方闭塞区间
train advance and out reports列车预确报
train advance report列车预报