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元反应
yuánfǎnyìng
chem.
elementary reaction
元 反 应
:
38 phrases
in 12 subjects
Agriculture
2
Aviation
2
Electronics
4
Genetics
6
Metallurgy
4
Oil / petroleum
4
Oil processing plants
1
Otorhinolaryngology
2
Polymers
1
Space
2
Sports
3
Technology
7
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