短語詞組短語ram recovery pressure ratio 沖壓恢復壓力比ore recoVery abundance ratio 礦石回收率recovery utilization ratio 回收利用率recovery y ratio 回采率recovery ratio of metal 金屬回收率Non -Recovery Ratio 未償率;和未償率;未償率模型n recovery ratio 氮回收率staggered oil recovery ratio 階段采收率energy recovery ratio 熱回收率 返回 recovery ratio