投影机的吊架种类繁多，使用受条件限制很大。用户需要根据不同室内结构、高度、与投影幕的距离以及投影机本身的重量来选择合适的吊架规格。
在他们的秋千组合上，安装吊架。
船体通过一个由螺栓和起重线组成的网络连接到吊架上。
The hull was attached to a lifting frame via a network of bolts and lifting wires.
在这一阶段，吊架固定在吊车的挂钩上，船体完全脱离海床，在水下被转移到吊篮里。
In this stage, the lifting frame was fixed to a hook attached to a crane, and the hull was lifted completely clear of the seabed and transferred underwater into the lifting cradle.
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