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PS：取下的组件前，推荐拍张照片，不要装错位置，如下图。
PS: Before removing the components, it is recommended to take a picture and not install
them in the wrong position, as shown below.
三、安装 Installation
安装过程与拆卸过程相反，这里不在赘述。安装螺栓需要打螺纹胶工艺，否则存在更换一段
时间后组件松脱的风险，如下图。
The installation process is opposite to the removal process, so I won't repeat it here. Bolts
need to be coated with thread glue during installation, otherwise there is a risk that the
components will loosen after a period of the using, as shown below.
PS：安装完成后，需要上电测试一下进出通行。
PS: After the installation is complete, you need to power on and test the access.
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