电力公司每年花费大量资金，减少变压器的危害，试图降低噪音，维护经常受到振动影响的设备。

The electricity companies spend a lot of money each year, cutting the harm of transformers, trying to quiet the noise and maintaining equipment that is constantly affected by vibration.

youdao

先进的包装模式包括进一步降低噪音使用更厚的地毯基层和前挡泥板衬垫。

Advance package models include further noise reduction using a thicker carpet base layer and front fender liners.

youdao

民航降低噪音与经济现实。

Civil aviation noise-reduction with economic reality.

youdao