In the industrial production and daily life, the noise monitoring is one expression of this. purpose.

日常工业生产和生活中，噪声的监测就是这一宗旨的一方面体现。

youdao

In the industrial production and daily life, the noise monitoring is one expression of this. purpose.

日常工业生产和生活中，噪声的监测就是这一宗旨的一方面体现。

youdao