noise transmission meaning in Chinese

噪声传播，噪声传输
噪声传递
噪音传播

The gear reducer for high strength steel carburizing , carburizing hardening , low noise transmission
减速器的轮为高强度渗碳钢,经渗碳淬火处理,传动噪音低。
Points out the key issues in noise control including the arrangement of sound absorber . noise transmission from machine room and duct and noise superposition
摘要指出了全空气空调系统噪声控制应注意的几个问题，如消声器设置、空调机房及风管传声、噪声叠加等。
This paper try to obtain various noise - control measures applied to different situations through analyzing noise transmission characteristics of heat pump units under natural conditions of ventilation and cooling , in practice , the noise pollution of the hot pump units has been reduced obviously by effective measures
通过分析风冷式热泵机组的噪声源特性，在满足热泵正常运行所需要的通风散热等条件下，总结出多种应用于不同情况下的噪声治理措施，并经实践检验，降噪效果显著。