A.一盞環(huán)照白燈 B.兩盞環(huán)照白燈 C.一盞環(huán)照黃燈 D.兩盞環(huán)照黃燈
A.舷燈和首燈 B.舷燈和尾燈 C.桅燈和首燈 D.桅燈和尾燈
A.上白下綠 B.上綠下白 C.上白下紅 D.上紅下白