兆噸 [－吨]

Jyutping siu6 deon1
Pinyin zhào dùn

Definitions (Wiktionary)
  1. noun
    megaton

兆噸 [－吨]

Jyutping siu6 deon1
Pinyin zhào dūn

Definitions (Wiktionary)
  1. noun
    megaton