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                    s•ԔϢ:

                    s•ֿɷQ飺sss•s•ϵû•픲•Ԫ²֞•Ԫ_•ϵLȺ͸߶Ⱥɫ@10-25dB(A)Ľ

                    s••ϲû•픲•Ԫ²֞•Ԫ_•ϵLȺ͸߶Ⱥɫ@10-25dB(A)Ľ

                    gc~׾߂mgLȹ

                    s•ϽЧ•10-25dB(A)YȫԸȻ˞ƉͶYʡʩٶȿ^@ȃc

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                    ŷͼƬר,99þɫĻ,ԵҸhѧУ,ҹžƵ߹ۿŮ