We're somewhere in outer space and we have this bicycle wheel there.
我们在外太空的某个地方，那有一个自行车车轮。
Momentum wheel is absolutely necessary for space load.
动量轮是空间载荷姿态控制必不可少的装置。
Bottom is equipped with wheel, flexible and movable, storage space is as you wish.
底部装有滑轮，轻巧可移动，放置空间随心所欲。
Bottom is equipped with wheel, flexible and movable, storage space is as you wish.
底部装有滑轮，轻巧可移动，放置空间随心所欲。
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