承购

chéng gòu zhèng quàn

承购证券

undertake to purchase bonds

nián kāi shǐ cǎi yòng chéng gòu bāo xiāo fāng shì fā xíng guó zhài

1991年开始采用承购包销方式发行国债。

In 1991, it began to issue treasury bonds by way of underwriting.