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Jyutping sin2 gung1
Pinyin xiǎn gōng

Definitions (Wiktionary)
  1. noun
    milling machine operator; miller
  2. noun
    milling

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Jyutping sin2 gung1
Pinyin xǐ gōng

Definitions (CC-CEDICT)
  1. milling (machining)
  2. milling machine operator
Definitions (Wiktionary)
  1. noun
    milling machine operator; miller
  2. noun
    milling