行走机构的所有部件可安装在与其配套的支架上，占地面积小并且可推行移动。
All parts of wheel mobilizer system attach to the equipped bracket. So it occupies little area and can be pushed to move.
行走机构的所有部件可安装在与其配套的支架上，占地面积小并且可推行移动。
All parts of wheel mobilizer system attach to the equipped bracket. So it occupies little area and can be pushed to move.
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