threshold lights

threshold-英汉词典-英中字典... ... threshold level {n.}阈电平,门限电平 threshold lights 入口界灯 threshold limit 阈极限 ...

简介：航空技术术语中英文对照... ... threshold frequency 低限频率 threshold lights 跑道头灯 threshold of hearing 最低可听值 ...

跑道引进灯光系统,RLLS runway lead-in... ... ) threshold lights 跑道进口灯 ) runway flood light 跑道泛光灯 ...