Acoustical doors. Acoustical doors are doors specially designed and constructed for use in all situations when sound control is desired.
隔音门。隔音门是专为需要控制声音的场合而设计和构建的。
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Acoustical doors are doors specially designed and constructed for use in all situations when sound control is desired.
隔音门是专为需要控制声音的场合而设计和构建的。
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Sound absorption and insulation is the acoustical characteristic of material. Measurement of sound absorption and insulation has an important significance in noise control and acoustical design.