sound duct 中文意思是什麼

sound duct 解釋
音道
  • sound : adj 1 健全的；強壯的，正常的；完好的，無疵的，沒有腐爛的（船、牙齒等）。2 正確的；正當的，合法的...
  • duct : n. 1. 管，導管，輸送管；槽，溝，渠道。2. 【無線電】波道；【電學】（電線，電纜等的）管道。
  1. Points out the key issues in noise control including the arrangement of sound absorber. noise transmission from machine room and duct and noise superposition

    摘要指出了全空氣空調系統噪聲控制應注意的幾個問題，如消聲器設置、空調機房及風管傳聲、噪聲疊加等。
  2. Acoustics - determination of sound power radiated into a duct by fans and other air - moving devices - in - duct method

    聲學.風機和其他鼓風裝置吹到管道中的聲功率的測定.管道法
  3. Experimental research of sound absorption by water fog in duct sound elimination system

    在管道消聲系統中水霧吸聲的實驗研究
  4. Laboratory method of testing in - duct sound power measurement procedure for fans also designated ansi amca 330 - 86

    風扇風道內測試聲功率測量程序的實驗室方法
  5. Standard specification for flexible polymeric foam sheet insulation used as a thermal and sound absorbing liner for duct systems

    用作管道系統吸熱吸聲襯墊的軟質聚合物泡沫薄片的標準規范
  6. Acoustics - determination of sound power radiated into a duct by fans - in - duct method

    聲學風機輻射入管道的聲功率測定管道法
  7. Acoustics - determination of sound power radiated into a duct by fans and other air - moving devices - in - duct method iso 5136 : 2003 ; german version en iso 5136 : 2003

    聲學.風機和其他風動設備輻射入管道中的聲功率的測定
  8. Standard guide for measurement of in - duct sound pressure levels from large industrial gas turbines and fans

    測量大型工業燃氣輪機和風扇的管內聲壓級的標準指南
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