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Jyutping zyun3 lou4
Pinyin zhuǎn lú

Definitions (Wiktionary)
  1. noun
    converter (e.g., Bessemer converter)

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Jyutping zyun3 lou4
Pinyin zhuàn lú

Definitions (CC-CEDICT)
  1. converter (rotary furnace in steelmaking)