| |||
先开后关; 先开后合接点; 断-合 | |||
先断后合接点 | |||
先开后合 | |||
先断后通 | |||
| |||
先断后合; 先开后合 |
break-before-make : 34 phrases in 11 subjects |
Aviation | 2 |
Electricity | 1 |
Electronics | 6 |
General | 2 |
Geophysics | 1 |
Metallurgy | 2 |
Oil / petroleum | 2 |
Power system protection | 2 |
Space | 4 |
Technology | 10 |
Telecommunications | 2 |