不组合动员旅程调度的传动齿轮箱，发掘本质拔取的是自行车飞轮的卡簧安排。
Ever wonder what led trips in the regulation of transmission gearbox found it uses a bicycle wheels clip design.
当自行车后轮转动时，带动传动齿轮并驱动了离心泵运转抽水。
When the back wheel of the bicycle is rotated, it drives the drive gear and then forces the centrifugal pump to operate and pump water.
关键是普通自行车的链传动前后有个齿轮的速比，你这个是多少？
The key is there are a speed rate between front wheel and back wheel to the chain drive of common bicycle, what of you design ?
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