广西快3

四川省鴻象門業有限公司

鋼質隔音門案例

作者:admin 發布日期: 2019-05-25 二維碼分享

鋼質隔音門案例


广西快3 XUANYONGJIAOGAOJINGDUDELENGZHAGANGBAN/SHIMU,MENTIKONGQIANGZHONGTIANCHONGGEYINCAILIAO,GEYINCAILIAORONGZHONGKONGZHIZAI50~100KG/m3ZHINEI,MENSIZHOUJUNYONGXIANGJIAOTIAOMIFENG,BAOZHENGSHIYONGFANGBIAN,YOUDADAOGEYINXIAOGUO,QIGEYINZHISHUFEN30dB、35dB、40dB、45dB(A)SIZHONG。