吸音物料 meaning in Chinese

noise absorbent
sound-absorbing materials

Pave roads with low - noise resurfacing materials ; and
于道路表面铺设吸音物料及
Animation of highway surfaced with noise absorptive materials
动画：高速公路路面铺上吸音物料
Now , noise absorptive materials are standard features of all new highways
今天，新建的高速公路都铺上吸音物料。
Quiet road surface programme . under this programme , suitable road sections are re - surfaced with noise absorptive materials which help to reduce traffic noise up to 5 db
政府于1989年推行低噪音路面计划，为合适的高速公路路段铺上吸音物料，并有效将噪音水平减低5分贝a 。