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长期以来,人们普遍感到,在擦外开窗扇外面的玻璃时很困难。《建筑知识》曾介绍过双面擦玻璃器,而这擦玻璃器只能便于擦,安装和拆换玻璃仍需要到外面去操作,这对楼房、特别高层建筑来说,仍是个难题。由承德市钢窗厂研制的一种利用长臂合页(暂定名),通过在窗上、下框安设一条简易滑道,即可将窗扇开启、翻转180。,将室外的一面转到室内。这样人们就能在室内自如地擦洗、安装和拆换玻璃。这种窗扇开关装置完全适用于国标各种规格的空腹
For a long time, people generally feel that it is difficult to wipe the glass outside the window sash. “Building Knowledge” once introduced double-sided glass cleaners, which can only be easily wiped, and the installation and replacement of glass still need to go outside to operate. This is still a problem for buildings and special high-rise buildings. A long-arm hinge (tentative name) developed by the Chengde Steel Window Factory is used to open and flip 180 sashes by placing a simple slide on the window and the lower frame. , Turn the outdoor side into the room. In this way, people can easily scrub, install and replace glass indoors. This kind of window sash switch device is completely suitable for the national standard of various specifications of fasting