基本解釋[交通運(yùn)輸工程]桅橫桁端閃光信號(hào)燈詞組短語短語yardarm m blinker 桅橫桁端閃光信號(hào)燈blinker yardarm 橫桁閃光信號(hào)燈yardarm blinker更多詞組專業(yè)釋義交通運(yùn)輸工程桅橫桁端閃光信號(hào)燈