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真空开关
zhēnkōng kāiguān
el.
vacuum-operated switch
hydroel.st.
vacuum switch
telecom.
vacuum relay
真空〔电子〕开关
met.
vacuum switch
真空
控制
开关
tech.
vacuum switch
真空开关
:
34 phrases
in 5 subjects
Automobiles
23
Aviation
1
Electronics
3
Metallurgy
1
Technology
6
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