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rear door on city bus: [1](2s)：open;[2](5s)：close;[3](4s)：close下载 收藏bus / 门(door)x1倍举报
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front door on city bus: [1](3s)：ext: open;[2](3s)：ext: open;[3](3s)：ext: close;[4](3s)：ext: close;[5](3s)：int: open;[6](3s)：int: open;[7](3s)：int: open;[8](2s)：int: close;[9](2s)：int: close;[10](2s)：int: close下载 收藏bus / 门(door)x1倍举报
