【建材网】当门窗年久老旧、性能残缺不全时，我们自然会想换上一批更新更安全的门窗。那么问题来了：哪些门窗可以保留？哪些门窗需要更换呢？其实原则大体是选贵不如选合理，选好的同时也别忘了安全。一、厨房卫生间

　http://pic1.k1u.com/k1u/mb/d/file/20240510/1715327435280330_836_10000.png|http://pic1.k1u.com/k1u/mb

　https://image11.m1905.cn/uploadfile/2024/0412/thumb_1_118_74_20240412112714649240.jpg|https://image1

　http://pic1.k1u.com/k1u/mb/d/file/20240510/1715322751914162_836_10000.jpg|http://pic1.k1u.com/k1u/mb

　http://www.mtksj.com/uploads/allimg/221110/1-2211101IS1R2.jpg|http://www.mtksj.com/uploads/allimg/22

　https://image11.m1905.cn/uploadfile/2024/0409/thumb_1_118_74_20240409034546356596.jpg|https://image1

　http://pic1.k1u.com/k1u/mb/d/file/20240509/1715219999289338_836_10000.jpg|http://pic1.k1u.com/k1u/mb

　https://nimg.ws.126.net/?url=http%3A%2F%2Fcms-bucket.ws.126.net%2F2021%2F1125%2Fd2949251j00r33phz001

　http://www.cnecn.com.cn/d/file/p/2024/04-10/cd039ca861f2c29e6fcbbed1e8b29bce.jpg|http://www.cnecn.co

　http://www.hwenz.com/pic/感情案牍典范短句句子案牍句句进心_一段掉败的豪情经历.jpg

　http://pic1.k1u.com/k1u/mb/d/file/20240509/1715238292238658_836_10000.jpg|http://pic1.k1u.com/k1u/mb

　https://mma.prnasia.com/media2/2258236/1.jpg?p=medium600|https://mma.prnasia.com/media2/2258239/2.jp

　https://mma.prnasia.com/media2/2276159/1.jpg?p=medium600|https://mma.prnasia.com/media2/2276160/Ayla

　http://www.mtksj.com/uploads/allimg/220214/1-22021412113X38.jpg|http://www.mtksj.com/uploads/allimg/

　https://p9.toutiaoimg.com/img/pgc-image/323302db29da400a98f09d396150cbd0~tplv-tt-shrink:640:0.image|