以下为句子列表：
英文: Electrical appliance industry: the production of electrochemical capacitor (erosion of aluminum film); transportation of electrolyte in the production of dry cells and storage cells; etching of circuit boards; transportation of high purity chemical liquid
中文: 金属工业：氧化铝膜处理设备；线材拉伸、钢铁轧制中除油及酸洗；车辆喷漆前除油及酸洗处理；氧化钛、稀土元素的生产等。
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英文: The cathode ray tube had just been fitted with a hot cathode,which permitted operation at 300 volts instead of the previously required 10,000,the lower voltage obtainable from a stack of dry cells of less than ceiling height.
中文: （那时）刚刚有用一种热阴极作成的阴极射线管，这种热阴极不需要以前要求的10，000伏，可以在300伏电源下工作，这种低电压可以由不再堆得天棚高那末多的干电池来获得。
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