隔音的材料

2007-01-26 1:36 am
除左海棉, 棉花, 毛巾, 紙皮箱,
仲有乜o野可以隔音?
更新1:

收音 / 吸音 都得

回答 (1)

2007-02-01 1:08 am
✔ 最佳答案
the answer is AIR

all the matereial u mentioned is to give the air more resistance to flow freely, and the actual material block the sound is still air, so you can imigine all kind of staff like a chamber devided into a lot of individual partition, foam.....


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