The results show that reduction of fuel pipe vibration or improving damping function of hose clip can control the effect of source of vibration on interior noise.
结果表明，减小油管的振动或提高管夹的减振功能可控制振动源对车内噪声的影响。
The advantages of rigid UPVC pipe are introduced and according to expansion, fixing, noise and other practical questions corresponding preventive and control measures are proposed.
介绍了硬质聚氯乙烯排水管(UPVC排水管)的诸多优点，从UPVC排水管的伸缩、固定及噪音方面，就其在实际使用中存在的具体问题作了分析，提出了一些防治措。
The advantages of rigid UPVC pipe are introduced and according to expansion, fixing, noise and other practical questions corresponding preventive and control measures are proposed.
介绍了硬质聚氯乙烯排水管(UPVC排水管)的诸多优点，从UPVC排水管的伸缩、固定及噪音方面，就其在实际使用中存在的具体问题作了分析，提出了一些防治措。
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