電調 [电调]

Jyutping din6 diu6
Pinyin diàn diào

Definitions (Wiktionary)
  1. verb
    to investigate by telephone

電調 [电调]

Jyutping din6 diu6
Pinyin diàn tiáo

Definitions (Wiktionary)
  1. noun
    electronic speed control
    (syn.) 電子調速器, 电子调速器