slow operating
| relay
| slow operating | |
| el. | 缓动; 缓吸合 |
| 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 |
| |||
| 缓动继电器; 缓吸合继电器 | |||
| |||
| 延迟动作; 缓动的 | |||
|
slow operating : 4 phrases in 3 subjects |
| Electronics | 2 |
| Metallurgy | 1 |
| Telecommunications | 1 |