| |||
differential relay | |||
balanced relay; differential type relay | |||
biased relay | |||
| |||
balanced relay |
差动 继电器 : 25 phrases in 7 subjects |
Air defense | 1 |
Automobiles | 1 |
Electric machinery | 2 |
Electronics | 3 |
Hydroelectric power stations | 5 |
Metallurgy | 2 |
Technology | 11 |