yardn.院子；庭院n.码(长度单位)yard switching调车场调车yardage marker码数板yard fattening舍饲肥育yard inventory调车场存车清单yard finishing舍饲肥育yard inspector调车场巡察员yard-of-alen.二至三品脱的啤酒yard sanitation集材场(的)卫生yard locomotive场用机车yard allocation堆场分配