ROCKWOOL Ѯ , . Ѯ . ROCKWOOL Ѯ . . 30 . . 90 /³ λ10 = 0.034 /() λ25 = 0.036 /() λ = 0.042 /() λ = 0.045 /() 10 % , 20 , 4 , 1.5 % , μ = 0.30 /() , 2.0
