The apparatus of claim 19, wherein the bracket is configured to pivot the handle in a third degree of freedom with respect to the first cross beam.
该仪器索赔19个，其中支架配置为支点的处理在第三自由度方面的第一次横梁。
2
Qiqiao pivot of riverine expressway interflows the line and crosses over the the main bridge of the Jingfu expressway adopted the steel case roof beam structure form.