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Sprocket
01
齿轮, 齿
tooth on the rim of gear wheel
02
链轮, 齿轮
a toothed wheel with projections that mesh with a chain, track, or other perforated or indented material, typically used to transmit motion or power in machinery, vehicles, or bicycles
Example
The bicycle 's rear wheel is connected to the chain and sprocket assembly, facilitating smooth pedaling.
Motorcycles rely on a sprocket system to transfer power from the engine to the rear wheel.
A chainsaw 's cutting chain is driven by a sprocket mechanism, allowing efficient cutting of wood.
03
齿轮, 链轮
roller that has teeth on the rims to pull film or paper through
