基本解释[机械工程]双排滚子链英汉例句双语例句The chain drive consists of a duplex roller chain which drives both intake and exhaust camshafts.链条驱动机构包括一条双排辊链，通过它来驱动进气和排气凸轮轴。duplex roller chain更多例句专业释义机械工程双排滚子链