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单词 photoelectric cell
释义

photoelectric cell

美 [?fo?to???lektr?k ?sel]
英 [?f??t????lektr?k ?sel]
  • n.光电管;光电池;光电感应器
  • 网络光电元件;光电片;光电子眼
复数:photoelectric cells  
photoelectric cell
n.
1.
光电池;光电感应器;光电管an electric device that uses a stream of light. When the stream is broken it shows that sb/sth is present, and can be used to control alarms, machinery, etc.

例句

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更新时间:2025/8/11 5:27:35