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Jyutping gon1 sau2 gei1
Pinyin gān shǒu jī

Definitions (Wiktionary)
  1. noun
    hand dryer
    (syn.) 烘手機, 烘手机

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Jyutping gon1 sau2 gei1
Pinyin gàn shǒu jī

Definitions (粵典–words.hk)
  1. 名詞
    畀​人​洗完​手​之​後​吹乾​對​手​嘅​機​器
    hand dryer

乾手機 [干-机]

Jyutping
Pinyin gān shǒu jī

Definitions (CC-CEDICT)
  1. hand dryer