roller chain
短语[机] 滚子链
词形变化
roller chains
复数
roller chains
释义与例句
n.
-
1.
A type of chain drive used to transmit mechanical power in many kinds of machinery, such as conveyors and bicycles, consisting of a series of short cylindrical rollers held together by side links and driven by a sprocket.
滚子链
滚链
链子