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原子氢 yuánzǐ qīng
met. atomic hydrogen
原子氢: 74 phrases in 19 subjects
Architecture2
Automobiles1
Aviation4
Business1
Chemistry5
Construction1
Earth sciences4
Electronics2
General12
Geology1
Mechanics1
Metallurgy15
Molecular genetics1
Oil / petroleum1
Shipbuilding1
Space2
Technology15
Water resources4
Wind Energy1