基本解釋[經(jīng)濟(jì)學(xué)]脩理周期時(shí)間詞組短語短語RCT Repair Cycle Time 返脩周期repair cycle time更多詞組專業(yè)釋義經(jīng)濟(jì)學(xué)脩理周期時(shí)間