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flame ionization
earth.sc. 火焰离子化〔作用〕
oil.proc. 火焰电离; 火焰离子化
flame ionization: 73 phrases in 15 subjects
Automobiles7
Aviation1
Chemistry3
Earth sciences8
Ecology1
Electronics4
General1
Geology5
Laboratory equipment3
Metallurgy1
Oil / petroleum5
Oil processing plants8
Space1
Technology16
Water resources9