yānwù bàojǐngqì

Mandarin edit

Romanization edit

yānwù bàojǐngqì (Zhuyin ㄧㄢ ㄨˋ ㄅㄠˋ ㄐㄧㄥˇ ㄑㄧˋ)

  1. Hanyu Pinyin reading of 煙霧報警器烟雾报警器