| ประโยคภาษาจีน : 中文句子 | 
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|  fù负  diàn jí电极  yīn jí阴极  chǎn shēng产生  dài带  fù diàn负电  de的  zì yóu diàn zǐ自由电子  ér而  yóu由  zhèng正  diàn jí电极  yáng jí阳极  xī shōu吸收  bìng并  zài在  liǎng jí两极  jiān间  chǎn shēng产生  diàn liú电流  hé和  hú guāng弧光 | 
| Negatively charged free electrons emitted by one electrode are attracted to the positive electrode (anode), creating an electric current and arc between electrodes. |