a-weighted sound pressure level 中文意思是什麼
a-weighted sound pressure level
解釋
聲級-
Methods of a - weighted sound pressure level measurement for pumps
泵用加權噪聲壓強的測量方法 -
Mechanical presses - methods of measurement of a - weighted sound pressure level
機械壓力機. a -加權聲壓級測量方法 -
Fans, blowers and compressors - determination of a - weighted sound pressure level
風扇鼓風機和壓縮機.加權噪聲壓強的測定
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