1.叉簧是电话机的开关,依靠话机手柄的重量把簧片断开,以切断外线电路。因长期使用易产生簧片与触点接触不良的现象,此时,一种简便省力的处理方法是:用麂皮布蘸四氯化碳包在小竹片或小改锥上仔细擦拭接点,然后用干净毛刷扫净接点上可能粘上的麂皮毛和四氯化碳蒸发 1. Hook switch is the phone switch, relying on the weight of the phone handle to reed off to cut off the outer circuit. Due to the long-term use of reed contact with the contact easily lead to poor phenomenon, this time, a simple and easy way to deal with: with a suede cloth dipped in carbon tetrachloride small bamboo or small screwdriver carefully wipe the contact, and then use Clean brush to clean the contact may be stuck on the suede wool and carbon tetrachloride evaporation