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Terms containing 先 开 后合 | all forms | in specified order only
SubjectChineseEnglish
avia.先闭合后断开make before break
el.先合后开make-before-break
tech.先合后断开关make-before-break switch
telecom.先开后合break before make
mech.先开后合break-before-make
gen.先开后合接点break-before-make
el.先开后合 静(止)，开路接触点break before make contact
tech.先开后合接点break-before-make contact
tech.先开后合触点break-before-make contact
telecom.先断后合开关break before make switch
geophys.先闭合后断开make-before-break

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