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to phrases
break before make contact
el.
先开后合
静(止),开路
接
触
点
met.
先断后合触点
break-before-make contact
tech.
先开后合触点
;
先开后合接点
break before-make contact
el.
先断后合触点
break before make contact
:
14 phrases
in 8 subjects
Automobiles
1
Electronics
2
Metallurgy
1
Oil / petroleum
1
Power system protection
2
Space
1
Technology
5
Telecommunications
1
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