吸声材料 xīshēngcáiliào sound-absorbing material Definitions Defs Origin Strokes Stroke Words Sentences Sents 吸声材料 吸聲材料 xīshēngcáiliào sound-absorbing material Materials used in architecture and engineering to absorb sound energy, reduce noise, and prevent echo, such as mineral wool or fiberglass
吸声材料 吸聲材料 xīshēngcáiliào sound-absorbing material Materials used in architecture and engineering to absorb sound energy, reduce noise, and prevent echo, such as mineral wool or fiberglass