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manganous oxide
agric., chem. 氧化锰
chem. 一氧化镓
el. 一氧化猛
met. 一氧化锰 (MnO)
steel. 氧化亚锰
tech. 一氧化锰
manganous oxide: 3 phrases in 2 subjects
Chemistry2
Metallurgy1