Mechanics. Each of the cylindrical components of a roller chain or roller bearing. Also: = roller chain n. at compounds 5 (rare).
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| 释义 | society > travel > means of travel > a conveyance > vehicle > vehicle propelled by feet > [noun] > cycle > parts and equipment of cycles > chain (4) roller1863 Mechanics. Each of the cylindrical components of a roller chain or roller bearing. Also: = roller chain n. at compounds 5 (rare). bicycle chain1889 a chain, now generally a roller chain, that transmits the driving power from the pedals of a bicycle to its rear wheel; (also) a length of such chain. bike chain1897 (a) a chain, now generally a roller chain, used to transmit driving power to the rear wheel of a bicycle or motorcycle; = bicycle chain n. at bicycle… ring1974 Cycling. = chain ring n. (b) at chain, n. additions. Usually with modifying word or numeral indicating size or position. |
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