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质谱计 zhìpǔjì
el. mass spectrograph; mass spectrometer
质谱计: 108 phrases in 17 subjects
Agriculture1
Aviation2
Chemistry13
Earth sciences7
Electronics5
General4
Geology4
Geophysics1
Metallurgy3
Navigation1
Oil / petroleum8
Oil processing plants1
Shipbuilding1
Space5
Steel production1
Technology48
Water resources3