sprock·et /ˈsprɑkət/
鏈輪齒
sprocket
輸送孔
sprocket
鏈齒
Sprock·et n. Mach. (a) A tooth or projection, as on the periphery of a wheel, shaped so as to engage with a chain. (b) A sprocket wheel.
◄ ►
sprocket
n 1: roller that has teeth on the rims to pull film or paper
through
2: thin wheel with teeth that engage with a chain [syn: sprocket
wheel]
3: tooth on the rim of gear wheel [syn: cog]