<跨度风格=“字体大小:12磅;”> <强>门挺和轨木门强> 跨度>产生与垂直(竖框)和水平(导轨)框架构件,并有由木头制成,玻璃片或百叶窗的嵌入面板。They come in a variety of designs and may be used for interior and exterior applications.