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Jyutping waan6 dang1 gei1
Pinyin huàn dēng jī

Definitions (CC-CEDICT)
  1. slide projector
  2. overhead projector
Definitions (Wiktionary)
  1. noun
    slide projector; overhead projector
Definitions (Kaifangcidian)
  1. (沒有對應漢語詞彙)