上悬窗、下悬窗、中悬窗、平开门、无框门用英语怎么说?

上悬窗 top-hung window
下悬窗 hopper window
中悬窗 center-pivoted window
平开门 side-hung door
（上面四个参考http://www.***.com/info/1/31/Detail8223.asp）
无框门 frameless door
（这个参考ccn.mofcom.gov.cn/984221）

projecting top-hung window 上悬窗
下悬窗 hopper window
horizontally pivoted hung window 中悬窗
sliding door平开门
glass door without frame 无框门
供参考

上悬窗、下悬窗、中悬窗、平开门、无框门
On hangs the window, to hang from above the window, to hang the window, to open the door evenly, the non-frame gate
On hung the window, to hang from above the window, to hang the window, to open the door, how the non-frame gate
希望可以帮到你