Foam glass has many fine properties as follows:fire proof, water proof, heat keeping and insulation, sound absorption and so on.
前言： 泡沫玻璃具有防火、防水、 保温隔热、 吸声等良好性能。
The laboratory is aimed at measuring the sound absorption and insulation properties of small test pieces in the normal incidence condition.
本实验室用于测量小试件法向入射条件下的吸声及隔声性能。
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