The parameters of equivalent four? terminal networks of the single cosine type ultrasonic horn are derived.

 
  • 推導出余弦形單一超聲變幅桿的等效四端網(wǎng)絡(luò )參量.
今日熱詞
目錄 附錄 查詞歷史
国内精品美女A∨在线播放xuan