可开启的窗户让使用者对他们的室内环境可进行直接操控。
Operable Windows allow users to have direct control of their interior environment.
比如，瑞士再保险公司如果为设在伦敦的总部新大楼安装可开启的窗户，会产生额外的高成本，虽然能够降低空气流通费用，但要十年以上才能与投入相抵。
For example, Swiss re's installation of Windows that can be opened in its striking new London headquarters will take more than a decade of reduced ventilation bills to justify their extra cost.
南立面与外界隔绝，建筑师设计了一条窗户可开启的走廊来进行交叉通风。建筑内没有空调系统。
The south facade is isolated from the outside, and a corridor of operable windows is created to generate cross ventilation. There are no air conditioning systems.
本实用新型公开一种适用于开启式窗户安装，可改变窗扇方位的附件，由支杆2和固定杆5等组成。
The utility model discloses an attachment for changing the places of Windows suitable for installing open Windows comprising a support rod 2 and a fixed rod 5, etc.
本实用新型公开一种适用于开启式窗户安装，可改变窗扇方位的附件，由支杆2和固定杆5等组成。
The utility model discloses an attachment for changing the places of Windows suitable for installing open Windows comprising a support rod 2 and a fixed rod 5, etc.
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