noisecontrol

常见例句

The noise class of China Institute of Technology belongs to the second noisecontrol area.The surrounding standard of day noise is set at 65 dB(A).
摘要本校噪音管制区列属于第二类噪音管制区，日间噪音之周界标准为65分贝，为了解本校校园环境噪音之符合度，故针对本校几处重要之校园环境进行噪音总体检。
noisecontrol by absorption
吸声噪声控制
noisecontrol by barriers
隔(挡)板噪声控制
noisecontrol by enclosure
密闭噪声控制