Apart from as a fuel, coal was used for making handicraft articles, for medicine, architecture, and ink making, etc.

 
  • 除了作為燃料,煤炭還被用于工藝品制作、醫藥、建筑、制墨,等等。
今日熱詞
目錄 附錄 查詞歷史
国内精品美女A∨在线播放xuan