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logical element; switching element | |||
on-off element; switching member | |||
switch element | |||
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switch element | |||
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switching element |
开 关元件 : 16 phrases in 8 subjects |
Aviation | 1 |
Business | 1 |
Electronics | 5 |
General | 1 |
Metallurgy | 1 |
Radio | 1 |
Space | 3 |
Technology | 3 |