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selector | |||
sectioning switch | |||
sectional breaker; sectionalizing switch; sectional switch; section switch | |||
disconnected switch | |||
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section switch |
分 段开关 : 15 phrases in 5 subjects |
Electric machinery | 1 |
Electronics | 4 |
Hydroelectric power stations | 3 |
Rail transport | 1 |
Technology | 6 |