安全：该设备是高度紧凑的转向轮，可随意移动，没有安全风险。

Safety: The device is highly compact with the steer wheel, can be moved freely, no security risk.

youdao

安全：该设备是高度紧凑的转向轮，可随意移动，没有安全风险。

Safety: The device is highly compact with the steer wheel, can be moved freely, no security risk.

youdao