The crackes are common problem of Daqu starter and they include transverse crackes, vertical crackes and circumferential crackes.

 
  • 摘要裂縫是大曲的常見(jiàn)病癥,有橫向、縱向和環(huán)形裂縫幾種。
今日熱詞
目錄 附錄 查詞歷史
国内精品美女A∨在线播放xuan