DictionaryForumContacts

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Terms for subject Communications containing | all forms
ChineseEnglish
作业持台Operational Purpose Handset
信号hand signal
动作业manual operation
动信号机manual signal
动应急控制盘manual emergency control panel
动开关hand set
动道岔hand-operated switch
方向traffic lever
确认acknowledgment lever
通用持台General Purpose Handset
闭塞blocking lever