基本解釋[經(jīng)濟(jì)學(xué)]比例協(xié)約再保險(xiǎn)詞組短語(yǔ)短語(yǔ)non -proportional treaty reinsurance 非比例協(xié)約再保險(xiǎn)proportional treaty reinsurance更多詞組專業(yè)釋義經(jīng)濟(jì)學(xué)比例協(xié)約再保險(xiǎn)