上悬类型的断桥铝门窗
Broken bridge aluminum doors and windows of upper suspension type
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上悬类型的断桥铝门窗，它是在平开窗的基础上发展出来的新开启方式。它有两种敞开方法，既可平开，又可从上方推开。平开窗关闭时，向外推窗户的上部，能够翻开一条十厘米左右的缝隙，也就是说，窗户能够从上面翻开一点，翻开的部分悬在空中，经过铰链等与窗框衔接固定，因而称为上悬式。它的长处是：既能够通风，又能够确保安全，由于有铰链，窗户只能翻开十厘米的缝，从外面手伸不进来，特别合适家中无人时运用。较近，这种功用已不只局限于平开的窗子，推拉窗也能够上悬式敞开。
The broken bridge aluminum door and window of upper suspension type is a new opening method developed on the basis of casement window. It has two opening methods, which can be opened horizontally or pushed from above. When the casement window is closed, pushing the upper part of the window outward can open a gap of about 10 cm, that is, the window can be opened a little from above, and the opened part is suspended in the air, which is connected and fixed with the window frame through hinges, so it is called up hanging type. Its advantages are: it can not only ventilate, but also ensure safety. Due to the hinge, the window can only open the seam of 10 cm, and can not reach in from the outside. It is especially suitable for use when there is no one at home. Recently, this function is not limited to flat windows, and sliding windows can also be hung up.