clear-down signal 中文意思是什麼
clear-down signal
解釋
話終信號-
Up and down coercionary deceleration switch at once in clear the way signal, lawlessness adjudgment up or down chiang minus signal
米分)上及下強制減速開關同時進開路信號,無法判定上或下強減信號。 -
Up and down coercionary deceleration switch at once in clear the way signal, lawlessness adjudgment up or down chiang minus signal. up and down coercionary deceleration switch has not receive or switch breakdown
上及下強制減速開關同時進開路信號,無法判定上或下強減信號。上及下強制減速開關未接或開關故障。
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