预(Yu)制(Zhi)飘(Piao)窗(Chuang)板(Ban)作(Zuo)为(Wei)部(Bu)品(Pin)预(Yu)制(Zhi)构(Gou)件(Jian),(?)其(Qi)结(Jie)构(Gou)同(Tong)时(Shi)包(Bao)含(Han)水(Shui)平(Ping)预(Yu)制(Zhi)构(Gou)件(Jian)和(He)竖(Shu)向(Xiang)预(Yu)制(Zhi)构(Gou)件(Jian)。(?)飘(Piao)窗(Chuang)在(Zai)工(Gong)厂(Chang)预(Yu)制(Zhi),(?)有(You)效(Xiao)地(Di)提(Ti)高(Gao)了(Liao)现(Xian)场(Chang)施(Shi)工(Gong)效(Xiao)率(Lu),(?)保(Bao)证(Zheng)工(Gong)期(Qi)。(?)