美利体育登录入口官网:KS I ISO 9611:2007
声学.关于连接结构声辐射固体声的声源的特性.弹性安装的机械接触点处的振速测量
Acoustics－Characterization of sources of structure-borne sound with respect to sound radiation from connected structures－ Measurement of velocity at the contact points of machinery when resiliently mounted