lamp signal

灯光信号; 灯语

1. 灯语：灯塔 beacon lighthouse pharos | 灯语 lamp signal | 灯油 kerosene lamp oil

2. 灯光信号：lamp shade 灯罩 | lamp signal 灯光信号 | lamp socket 灯座

3. 灯信号：灯罩 lamp shade | 灯信号 lamp signal | 灯座 lamp socket