signal selector
| relay
| signal selector | |
| el. | 信号转换开关 |
| Relay | |
| space | 中继 |
| relay | |
| el.mach. | 电气继电器; 继电器 |
| forestr. | 分程传递 |
| hydroel.st. од. | 继电器 |
| interntl.trade. | 转送; 补充; 接替 |
| met. | 替续器; 中继站 |
| |||
| 信号转换开关 | |||
| ★ 信号选择器 | |||
|
signal : 121 phrases in 25 subjects |