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Jyutping bin3 zo2 hei3
Pinyin biàn zǔ qì

Definitions (CC-CEDICT)
  1. rheostat (variable resistor)
Definitions (Wiktionary)
  1. noun
    rheostat
Definitions (Kaifangcidian)
  1. (沒有對應漢語詞彙)