phase-selector
| relay
| phase selector | |
| el. | 选择器; 相位 |
| mech.eng. | 相位选择器 |
| 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 |
| |||
| 选择器; 相位 | |||
| 相位选择器 | |||
| 选相器; 相位选择钮 | |||
|
phase-selector : 3 phrases in 3 subjects |
| Aviation | 1 |
| Electricity | 1 |
| Electronics | 1 |