The foot rest has a folded status and a service status: when the foot rest is in folding status, the supporting foot is actually attached to the external part of the main body;
其中，该脚架具有一收纳状态与一使用状态：当该脚架于该收纳状态时，该至少一支撑脚是实质上贴附于该主体外部；
The foot rest has a folded status and a service status: when the foot rest is in folding status, the supporting foot is actually attached to the external part of the main body;
其中，该脚架具有一收纳状态与一使用状态：当该脚架于该收纳状态时，该至少一支撑脚是实质上贴附于该主体外部；
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