operating ratio短语⁹⁶⁶⁷⁷⁺⁶ 基本例句 经营比率,营业实绩比率,运行率 At present, some problems for enhancing TRT's operating ratio should be solved, and the key problem is that there are some shortcomings in the system of organization, so the economic benefit is low. 目前提高 TRT的运转率，是人们亟需解决的问题，而问题的关键是体制上存在不足，直接反映出来的经济效益低。 cnki