因此，声强技术同样适用于微特电机等低噪声声功率级测定。

So the sound intensity technique will be a wide range of applied prospects in the lo…

youdao

因此，声强技术同样适用于微特电机等低噪声声功率级测定。

So the sound intensity technique will be a wide range of applied prospects in the lo…

youdao