δ鍵 [－键]

Jyutping δ gin6
Pinyin dài ěr tǎ jiàn

Definitions (Wiktionary)
  1. noun, physical
    delta bond

δ鍵 [－键]

Jyutping δ gin6
Pinyin dé ěr tǎ jiàn

Definitions (Wiktionary)
  1. noun, physical
    delta bond