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放大管 fàngdàguǎn
el. amplifying valve
met. amplifier tube
shipb. amplifying lamp
tech. amplifier valve; amplifying tube
放 大 管: 195 phrases in 15 subjects
Air defense25
Architecture1
Aviation5
Electrical engineering1
Electronics31
General21
Geophysics2
Information technology3
Metallurgy3
Radio6
Semiconductors1
Space13
Technology78
Telecommunications4
Wind Energy1

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