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氢原子 qīng yuánzǐ
avia. atomic hydrogen
met. hydrogen atom
氢 原 子
: 73 phrases in 19 subjects
Architecture2
Automobiles1
Aviation3
Business1
Chemistry5
Construction1
Earth sciences4
Electronics2
General12
Geology1
Mechanics1
Metallurgy15
Molecular genetics1
Oil / petroleum1
Shipbuilding1
Space2
Technology15
Water resources4
Wind Energy1

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