In this paper,the structure for the focus deflection svs-tem of the electrostatic deflection type is studied and analyzed.

 
  • 該文對靜電偏轉型聚焦偏轉系統的結構作了分析研究。
今日熱詞
目錄 附錄 查詞歷史
国内精品美女A∨在线播放xuan