重点词汇
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多位
multidigit
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开关
switch; on-off; circuit breaker; power switch; on-off switch; disjunctor; switch on; switch off; turn on; turn off
multiple-position switch
多位
multidigit
开关
switch; on-off; circuit breaker; power switch; on-off switch; disjunctor; switch on; switch off; turn on; turn off