单选题按设置地点不同，航标可分为（）。A沿海航标、内河航标、船闸航标B灯塔、灯桩、立标C灯船、灯浮、浮标D发光航标、不发光航标、音响航标、无线电航标
单选题
按设置地点不同，航标可分为（）。
A
沿海航标、内河航标、船闸航标
B
灯塔、灯桩、立标
C
灯船、灯浮、浮标
D
发光航标、不发光航标、音响航标、无线电航标
参考解析
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