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火花 huǒhuā
gen.	scintilla
archit.	flicker
busin.	fire
expl.	flake
hydroel.st.	spark
met.	sparking
space	Iskra (苏联业余无线电通信卫星)
tech.	scintillation; spark discharge; sparkle; sparkling; spark over
火花〔星〕 huǒhuā
gen.	spark; sparkle
发出火花 huǒhuā
gen.	scinti-; scintillation
电火花 huǒhuā
tech.	electric spark; electrical spark
火花打火花 huǒhuā
nautic., tech.	spark

火花: 1417 phrases in 55 subjects

Agriculture	7
Air defense	8
Architecture	5
Automobiles	346
Aviation	22
Biology	6
Business	5
Cables and cable production	2
Chemistry	5
Communications	1
Compressors	1
Computer numerical control	2
Construction	8
Desert science	15
Drilling	4
Earth sciences	15
Ecology	1
Economy	1
Electric machinery	31
Electricity generation	1
Electronics	101
Engineering geology	2
Explosives and Explosive Ordnance Disposal	13
General	63
Geology	2
Geophysics	2
Household appliances	1
Hydroelectric power stations	7
Information technology	2
Isolation	1
Latin	28
Life sciences	1
Management	1
Mechanics	2
Metallurgy	96
Nautical	10
Nuclear physics	1
Oil / petroleum	35
Oil processing plants	1
Pharmacology	1
Physics	3
Plastics	4
Racing and motorsport	12
Rail transport	4
Refrigeration	3
Shipbuilding	21
Skydiving	1
Space	62
Steel production	2
Technology	428
Telecommunications	7
Textile industry	6
Thermal Energy	1
Welding	1
Wind Energy	6