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逆弧
gen.	back-kick; flash
archit.	arc back
busin.	inverse are
geophys.	arc backs
met.	arc-back; arcing back; reignition
oil	flash-back
space	backflash
tech.	back-fire; flash back; inverse arc
发生逆弧
el.	arc back
整流器中逆弧
el.	arc-back
发生逆弧
tech.	arcing back
整流器的逆弧
gen.	arc-back
电路中逆弧
el.	arc-back

逆弧: 10 phrases in 7 subjects

Aviation	1
Electric machinery	1
Electronics	2
General	2
Metallurgy	1
Oil / petroleum	1
Space	2