Who knows what this word is?

Biáng Biángbiáng noodles (Chinese pinyin: Biángbiáng miàn, biang is a compound word, so it can't be written in many ways, so it is often written as Biángbiáng noodles, biángbiang noodles or Biaobiang noodles, and ice and snow noodles), which is a traditional flavor noodle in Guanzhong area of Shaanxi Province, and is a traditional Shaanxi noodle. Named after the sound of biang and biang in the production process.