基本解釋[經(jīng)濟(jì)學(xué)]負(fù)殘值詞組短語短語negative net salvage value 負(fù)數(shù)凈殘值negative salvage value更多詞組專業(yè)釋義經(jīng)濟(jì)學(xué)負(fù)殘值