论坛首页 › ISO 国际标准 › BS EN ISO ∕ TR 11688-2:2001 Acoustics -

hgundas 发表于 2019-12-28 01:13:09

BS EN ISO ∕ TR 11688-2:2001 Acoustics -

BS EN ISO ∕ TR 11688-2:2001
Acoustics -
Recommended practice
for the design of
low-noise machinery and
equipment -
Part 2: Introduction to the physics of
low-noise design

admin 发表于 2019-12-29 21:49:05

谢谢您的分享，金币已奖励！

查看完整版本: BS EN ISO ∕ TR 11688-2:2001 Acoustics -