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to phrases
控制电极
kòngzhì diànjí
el.
guide electrode
therm.energ.
control electrode
圆柱形
控制电极
kòngzhì diànjí
earth.sc.
Wehnelt cylinder
控制电极
:
39 phrases
in 8 subjects
Chemistry
1
Computers
1
Electronics
13
General
3
Metallurgy
9
Oil / petroleum
1
Technology
10
Telecommunications
1
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