成人夜色视频网站在线观看_国产尤物精品自在拍视频首页_人妻夜夜爽天天爽欧美色院_免费A级毛片

一(yi)般(ban)卷(juan)(juan)(juan)簾門(men)(men)窗一(yi)般(ban)有兩種(zhong)(zhong)(zhong)類型：一(yi)種(zhong)(zhong)(zhong)是(shi)由若干(gan)簾板組成的簾板結構，其類型依據門(men)(men)扇(shan)(shan)簾較(jiao)形(xing)狀而定，這(zhe)(zhe)種(zhong)(zhong)(zhong)門(men)(men)窗扇(shan)(shan)具有防(fang)風、防(fang)砂、防(fang)盜等功能，使用(yong)(yong)比較(jiao)遍及；另(ling)一(yi)種(zhong)(zhong)(zhong)是(shi)門(men)(men)扇(shan)(shan)由扁(bian)鋼(gang)、圓鋼(gang)和鋼(gang)管組成的通花(hua)結構，這(zhe)(zhe)種(zhong)(zhong)(zhong)門(men)(men)型式(shi)美觀大方(fang)、啟(qi)閉簡便靈敏。卷(juan)(juan)(juan)簾門(men)(men)窗啟(qi)閉通常采用(yong)(yong)手動(dong)(dong)、電動(dong)(dong)兼手動(dong)(dong)或(huo)主動(dong)(dong)開(kai)(kai)啟(qi)辦法(fa)(fa)，正常情況(kuang)下門(men)(men)窗電動(dong)(dong)，遇臨(lin)時停(ting)電或(huo)其它情況(kuang)則手動(dong)(dong)開(kai)(kai)閉。卷(juan)(juan)(juan)簾門(men)(men)窗裝(zhuang)置辦法(fa)(fa)：卷(juan)(juan)(juan)簾板裝(zhuang)在(zai)(zai)門(men)(men)洞外(wai)(wai)，簾板在(zai)(zai)外(wai)(wai)側(ce)(ce)卷(juan)(juan)(juan)起；卷(juan)(juan)(juan)簾板裝(zhuang)在(zai)(zai)洞內，簾板在(zai)(zai)內側(ce)(ce)卷(juan)(juan)(juan)起；卷(juan)(juan)(juan)簾板裝(zhuang)在(zai)(zai)門(men)(men)窗洞口中(zhong)，卷(juan)(juan)(juan)簾板可向內側(ce)(ce)或(huo)外(wai)(wai)側(ce)(ce)卷(juan)(juan)(juan)起。

一般(ban)卷簾(lian)門(men)(men)窗(chuang)的(de)裝置(zhi)辦法(fa)與防火卷簾(lian)門(men)(men)基本(ben)相同(tong)。