噪声，声功率，隔声。
当树木长大枝叶茂盛时，它们可以起到隔声的作用。
Trees also serve as sound barriers when full grown and leafed out.
以某空压机房隔声降噪设计为例，进行了隔声降噪的设计与分析。
In a given example, sound insulation structure of air compressor room is designed and analyzed.
以某空压机房隔声降噪设计为例，进行了隔声降噪的设计与分析。
In a given example, sound insulation structure of air compressor room is designed and analyzed.
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