JIA Yang,SHEN Jianzhong.Finite elecment method analysis of stepped ultrasonic horn with different transitional section[J].Technical Acousticsl,2006,25(17):75-81.是什么意思_JIA Yang,SHEN Jianzhong.Finite elecment method analysis of stepped ultrasonic horn with different transitional section[J].Technical Acousticsl,2006,25(17):75-81.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句