导弧板将电弧向熄弧栅引导，其靠近动触头一端具有直流引弧角。
A guide arc plate leads the electric arc to the arc splitter and the end close to the active contact is provided with a DC guide arc Angle.
导弧板将电弧向熄弧栅引导，其靠近动触头一端具有直流引弧角。
A guide arc plate leads the electric arc to the arc splitter and the end close to the active contact is provided with a DC guide arc Angle.
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