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to phrases
光开关
gen.
photorelay
space
optical switch
telecom.
light switch
;
optical switching
光开 关
:
200 phrase
in 16 subjects
Agriculture
1
Architecture
1
Automobiles
37
Aviation
2
Electricity
2
Electronics
64
Exhibitions
1
General
1
Geophysics
3
Information technology
7
Metallurgy
1
Oil / petroleum
1
Radio
1
Space
9
Technology
58
Telecommunications
11
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