impulse type
| relay
| impulse type | |
| met. | 脉冲类型 |
| 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 |
| |||
| 脉冲类型 | |||
| 脉冲型; 脉冲式; 冲击式 | |||
|
impulse type : 22 phrases in 5 subjects |
| Communications | 1 |
| Electric machinery | 1 |
| Hydroelectric power stations | 2 |
| Oceanography & oceanology | 1 |
| Technology | 17 |