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break before make

telecom. 先断后合; 先开后合
break-before-make [ˌbreɪkbɪˌfɔː'meɪk, -ˌfɔːr'-]
gen. 先开后关; 先开后合接点; 断-合
el. 先断后合接点
mech. 先开后合
space 先断后通
break before make
: 34 phrases in 11 subjects
Aviation2
Electricity1
Electronics6
General2
Geophysics1
Metallurgy2
Oil / petroleum2
Power system protection2
Space4
Technology10
Telecommunications2

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