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质谱学
avia. mass spectrometry
geol., oil.proc. mass spectroscopy
met. mass-spectrometry; mass-spectroscopy
质谱学〔术〕
chem. mass spectrometry
质谱学
: 40 phrases in 10 subjects
Agriculture1
Chemistry4
Earth sciences13
General2
Geology4
Metallurgy4
Oil processing plants3
Space1
Technology5
Water resources3