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Jyutping haa6 gong1 gun1 waa2
Pinyin xià jiāng guān huà

Definitions (Wiktionary)
  1. name
    Synonym of 江淮官話/江淮官话 (Jiānghuái guānhuà, “Jianghuai Mandarin”).
    (syn.) 江淮官话, 江淮官話