555棋牌游戏

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上海公路声屏障

  • 作者:admin
  • 来源:
  • 日期:2019-02-27 10:14:42
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    GONGLUSHENGPINGZHANGSHIYIGEGESHENGSHESHI。TAWEILEZHEDANGSHENGYUANHEJIESHOUZHEZHIJIANZHIDASHENG,ZAISHENGYUANHEJIESHOUZHEZHIJIANCHARUYIGESHESHI,SHISHENGBOCHUANBOYOUYIGEXIANZHUDEFUJIASHUAIJIAN,CONGERJIANRUOJIESHOUZHESUOZAIDEYIDINGQUYUNEIDEZAOSHENGYINGXIANG。

          GONGLUSHENGPINGZHANGZHUYAOYOUGANGJIEGOULIZHUHEXIGESHENGPINGBANLIANGBUFENZUCHENG,LIZHUSHIGESHENGPINGZHANGDEZHUYAOSHOULIGOUJIAN,TATONGGUOLUOSHUANHUOHANJIEGUDINGZAIDAOLUFANGZHUANGQIANGHUOGUIDAOBIANDEYUMAIGANGBANSHANG;XIGESHENGBANSHIZHUYAODEGESHENGXISHENGGOUJIAN,TATONGGUOGAOQIANGDANHUANGKAZIJIANGQIGUDINGZAIHXINGLIZHUCAONEI,XINGCHENGSHENGPINGZHANG。GESHENGPINGZHANGDESHEJIYIJIAOWEICHONGFENDIKAOLVLEGAOJIAGAOSUDAOLU、CHENGSHIQINGGUI、DITIEDEFENGZAI、JIAOTONGCHELIANGDEZHUANGJIANQUANHEQUANTIANHOUDELUTIANFANGFUWENTI。TAWAIXINGMEIGUANDAFANG,ZHIZUOJINGZHI,YUNSHU、ANZHUANGFANGBIAN,ZAOJIADI,SHIYONGSHOUMINGZHANG,TEBIESHIYONGYUGAOJIAGAOSUDAOLUHECHENGSHIQINGGUI、DITIEDEFANGZAOSHENGSHIYONG,SHIXIANDAIHUACHENGSHIZUILIXIANGDEGESHENGJIANGZAOSHESHI。

    555棋牌游戏GESHENGPINGZHANGGAODUZAI1mYI5mJIAN,FUGAIYOUXIAOQUYUPINGJUNJIANGZAODA10~15dB(A)(125Hz~40000Hz,1/3BEIPINCHENG),ZUIGAODA20dB(A)。YIBANLAIJIANG,GESHENGPINGZHANGYUEGAO,HUOLIGESHENGPINGZHANGYUEYUAN,JIANGZAOXIAOGUOJIUYUEHAO。


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