Entering new century, a new interrupting technology to be referred as auto puffer arc quenching technology is used in low voltage circuit breaker.
进入新世纪，一种称为气吹灭弧的新分断技术应用于低压断路器。
Entering new century, a new interrupting technology to be referred as auto puffer arc quenching technology is used in low voltage circuit breaker.
进入新世纪，一种称为气吹灭弧的新分断技术应用于低压断路器。
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