基本解釋[交通運(yùn)輸工程]橙色煙霧信號(hào)橙色煙號(hào)詞組短語短語Orange smoke signal for lifebuoys 救生圈用橙色煙霧信號(hào)self -activating orange smoke signal 自燃橙色煙霧信號(hào)orange smoke signal更多詞組專業(yè)釋義交通運(yùn)輸工程橙色煙霧信號(hào)橙色煙號(hào)