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化合价
huàhéjià
stresses
chem.
валентность
geochem.
значность
oil.proc.
атомность
化合价
:
34 phrases
in 10 subjects
Business
1
Chemistry
13
Electronics
3
General
3
Geochemistry
2
Medical
1
Oil / petroleum
2
Oil and gas
1
Oil processing plants
2
Technology
6
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