swinging bottom-hinged sash (swinging bottom-hinged leaf)
【建筑】底铰链窗扇（料斗窗扇）【运输】底部铰链带（料斗带）
bottom-hinged sash (hopper sash)
暂无补充释义。
相关词条
bottom-hinged inswinging window
bottom-hinged sash (hopper sash)
暂无补充释义。
swinging bottom-hinged sash (swinging bottom-hinged leaf)
bottom-hinged inswinging window