内藏式小天窗

tianchuangbolidecaiguangmianjidaoda0.39㎡，jingyouguochengjigougaijinwanchengboli420mmdekaiqilucheng，erzhejundaodaxingyeqiangxianchengdu。tongshiyuanyongqianyandeboliquanbaobianshouyi，zengtiangaozhonggouningjingxing,rangkehuzaixiuhuichaodacaiguanghetoufengdetongshi，shuxinyoufangxin。zaijingyinxiuhuifangmianyeshibiaoxinliyi，jienajubeijingyinjieguodechuandongruanzhouhejinmideduichakongshexiang，peishang40dbyouliangleyinbiaoxiandejidian，youyongxiajiangtianchuangdeyunzhuanleyin，jinshenglekehuliyonggan。