detector set

　
英 美
  • 檢波器接收機,礦石收音機

detector set的用法和樣例：

例句

  1. Raymond Chiao remembers the day, during his childhood in Shanghai, when his brother built a crystal radio set and invited him to try it.
    喬瑞宇還記得，小時(shí)候住在上海時(shí)，哥哥制作了一部礦石收音機，調整好后叫他來(lái)試用看看。
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