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開(kāi)關(guān)和保險(xiǎn)絲

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開(kāi)關(guān)和保險(xiǎn)絲 An electric switch is often on a wall near the door of a room. Two wires lead to the lamp in the room. The switch is fixed in one of them. The switch can cause a break in this wire, and then the light goes. The switch can also join the two parts of the wire again, then we get a light. Switch can control many different things. Small switches control lamps and radio sets because th

開(kāi)啟式負(fù)荷開(kāi)關(guān)與保險(xiǎn)絲的正確使用

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為防止電器設(shè)備短路或因負(fù)載增加而使線路電流增大,損壞電氣設(shè)備,必須在電路的適當(dāng)位置安裝保護(hù)性電氣設(shè)施。開(kāi)啟式負(fù)荷開(kāi)關(guān)就是一種常見(jiàn)的保護(hù)裝置,在鹽業(yè)系統(tǒng)使用尤為廣泛。因此正確地選擇使用開(kāi)啟式負(fù)荷開(kāi)關(guān)與保險(xiǎn)絲,是確保電氣設(shè)備安全使用的關(guān)鍵。

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