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The circuit breaker housing (4) includes a number of arc chute vents structured to exhaust arc gases.
断路器壳体(4)包括构造为排出电弧气体的一定数量的灭弧室气孔。
One time tube sealing and exhausting technique is an advanced technique in which vacuum arc chute are processed.
一次封排工艺是生产真空灭弧室的先进工艺，排气、封口同时进行一次完成。
Because the shape of the arc chute is optimized, the arc extinguishing effect of the arc extinguishing Chambers can be further improved.
又由于优化设计了灭弧栅片的外形，进一步提高了灭弧室的灭弧效果。
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