基本解釋[經(jīng)濟(jì)學(xué)]修理周期時(shí)間詞組短語(yǔ)短語(yǔ)RCT Repair Cycle Time 返修周期repair cycle time更多詞組專(zhuān)業(yè)釋義經(jīng)濟(jì)學(xué)修理周期時(shí)間