【Daily Topic】【Electrical Edition 20160615】

2016-06-15View Original

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Participation reward: 2 Wealth. Reward for correct answer: 9 Wealth. Correctness check: A vacuum circuit breaker is a type of circuit breaker in which the contacts disconnect the circuit under high vacuum conditions. The insulating medium and arc-quenching medium it uses is high vacuum.

Reply #22016-06-15

Correct,√~~~~~~~

Reply #32016-06-15

A vacuum circuit breaker is a circuit breaker in which the contacts open the circuit under high vacuum. The insulating medium and arc-quenching medium it uses is high vacuum. (V)

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【Daily Topic】【Electrical Edition 20160615】

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