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三元酸
chem.
triprotic acid
oil
tribasic acid
;
triacid
tech.
ternary acid
三 元 酸
:
31 phrases
in 10 subjects
Chemistry
4
Desert science
1
Food industry
8
Metallurgy
1
Oil / petroleum
2
Plastics
4
Polymers
4
Space
1
Technology
4
Water resources
2
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