基本解释[交通运输工程]出车率英汉例句双语例句A low availability rate of less than 80%, a low operating km per day per bus and a low ratio of operating revenue to total costs are common.低于80%的可用率、单日单辆公交车运营的低公里数和运营收入占总成本的低比例是司空见惯的。bus operating rate更多例句专业释义交通运输工程出车率