Terms for subject Communications containing normal

English	Chinese
entering in normal sequence	顺序进人
normal and reverse locking	定反位锁闭
normal clear	正常开放 (or stop, 或关闭)
normal contact	定位接点
normal position	定位
normal position of switch	道岔定位
normal proceed signal	常态开放信号机
normal state of track circuit	轨道电路正常状态
normal stop signal	常态关闭信号机
polar normal contact	极性定位接点