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4·16世界噪音日 | 噪音时代--你会为“静音”买单吗?

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噪音很“伤身”,仅次于空气污染

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60分贝相当于什么声音呢?男女片动作片免费观看根据声音分贝给人体带来的感受来看:



男女片动作片免费观看 40-60fenbei:bijiaoanjingdezhengchanghuanjing,tongchangzaitushuguanhuoyuelanshizhong。

60-70fenbei:yingxiangshuimianhexiuxi,zhengchangdeshengligongnengshoudaoyingxiang,yibancheliangxingshideyinliang。

男女片动作片免费观看 70-100fenbei:ganraoshenghuo,xinfanyiluan,jingshenbujizhongjiangdigongzuoxiaolvshenzhichuxianshigu。

男女片动作片免费观看 100-120fenbei:nanyirenshou,jifenzhongjizanshizhilong。dianjugongzuo,yibanjiayongyinxiangshebeizuidayinliang。

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噪音的污染源在哪儿

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1、摆放绿色植物

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2、选择隔音效果好的门窗

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贝克洛系统门窗能有效隔离噪音

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3、窗帘厚一点

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4、更换老化的电器

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guanzhujiankangshenghuo,conggelizaoyinkaishiba!


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