- ok lamp
- 绿灯: green light permission to go ...
- 表示: 0
- 红灯表示继电路: red light indicating relay
- 红灯表示继电器: red light indicating relay
- 绿灯: 1.[交通运输] (可通行的绿色灯光) green light2.(准许前进) permission to go ahead with some project; green light 开绿灯 give the green light to
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