4.5防噪声（protection against noise） 住宅部品必须保证使用时感觉到的声响不会影响到用户及其邻居的健康，保证用户有良好的睡眠、休息和工作的条件。
基于28个网页-相关网页
介绍了高等级公路噪声污染产生的原因，介绍了国内、外降噪的主要措施，同时提出了防噪声方式。
The cause inducing noise pollution on high grade road, and the noise abatement measures both at home and abroad are introduced. A way to precaution noise given.
鹦鹉螺还能抵抗撞击、振动、防盐防雾、防渗水并能经受噪声和电磁干扰的影响。
The Nautilus meets withstands shock, vibration, salt, fog, drip, fungus, acoustic noise, and EMI.
烘干快速高效，充分节约能源，噪声低，防积尘风机。改善工作环境，具有蒸汽电加热二种机型。
Dry rapidly, energy saving efficient, low noise, anti dust blower for improving the working environment. Have two kinds of steam heating steam and dual-use electric steaming type.
应用推荐