单词	火花信号
释义	火花信号spark signal
随便看	emergency breakaway tools emergency breaker emergency breaker alarm emergency breathing system emergency broadcast system emergency broadcast system {=ebs} emergency bus emergency bus tie circuit breaker emergency bus voltage emergency button emergency cabin emergency cable emergency call emergency call button emergency call; urgency call; urgent call emergency capacity emergency care emergency case emergency--case (pathological) emergency category emergency ceiling emergency cell emergency centre emergency change advisory board emergency chiller