| |||
power-transfer relay | |||
barrier relay | |||
power-off relay | |||
fault relay |
故障 继电器 : 22 phrases in 11 subjects |
Automobiles | 2 |
Construction | 1 |
Electric machinery | 1 |
Electronics | 5 |
Hydroelectric power stations | 3 |
Metallurgy | 2 |
Power system protection | 2 |
Rail transport | 1 |
Space | 1 |
Technology | 3 |
Wind Energy | 1 |