flashing-signal
| circuit
| flashing signal | |
| oil од. | 闪光信号 |
| circuit | |
| gen. | 周; 环道 |
| athlet. | 循环 |
| el. | 路 |
| el.mach. | 电气回路 |
| hydroel.st. | 线路 |
| hydroel.st. од. | 回路 |
| manag. | 巡回 |
| met. | 系统; 流程 |
| |||
| 闪光信号; 闪灯信号 | |||
| |||
| ★ 闪光信号 | |||
|
flashing-signal : 5 phrases in 1 subject |
| Public security | 5 |