单词	实用负载
释义	实用负载医live load
随便看	lubrication for internal-combustion engines lubrication for roller bearing lubrication-free lubrication gap lubricationg oil lubrication grease Lubrication grease pump lubrication groove lubrication guide lubrication gun lubrication hole lubrication-hole lubrication in plastic working lubrication instruction lubrication interval lubrication intervals lubrication in vacuum lubrication job lubrication life lubrication line lubrication machine lubrication management lubrication means lubrication mechanics lubrication mechanism