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to phrases
功率管
oil
power tube
;
power valve
tech.
amplifier tube
功率
电子
管
met.
power tube
功率 管
:
127 phrases
in 17 subjects
Air defense
10
Aviation
7
Computer numerical control
1
Electronics
25
General
10
Geophysics
1
Information technology
2
Metallurgy
4
Nautical
2
Oil / petroleum
2
Radio
1
Refrigeration
1
Shipbuilding
2
Space
9
Technology
42
Telecommunications
5
Wind Energy
3
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