any mechanism of geared wheels that is driven by a coiled spring; resembles the works of a mechanical clock

 
  • 任何一種由彈簧線(xiàn)圈驅動(dòng)的傳動(dòng)輪;像機械鐘的機件
今日熱詞
目錄 附錄 查詞歷史
国内精品美女A∨在线播放xuan