... pedal circuit 踏板电路 pedal crank 踏板曲柄 pedal cross shaft 踏板横轴 ...
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Pedal crank training equipment 踏板曲柄训练器材
the pedal crank training equipment 曲柄踏板类训练器材
rudder pedal adjustment crank 脚蹬调整手柄
The pedal of a cycle is attached to a crank.
自行车的踏板与曲柄相连。
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模块上移
模块下移
不移动