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化学物质 huàxué wùzhìstresses
chem. химические вещества
O&G химическое вещество
tech. химическое тело
化学 物质: 57 phrases in 14 subjects
Chemistry8
Construction1
Ecology1
Education1
Electronics1
Environment2
General24
Material safety data sheet1
Medical4
Military1
Oil / petroleum1
Quality control and standards4
Technology7
United Nations1