胀大

zhàng dà de fèi

胀大的肺

an inflated lung

tí chū le jiǎn xiǎo jǐ chū zhàng dà lǜ de jǐ zhǒng fāng fǎ

提出了减小挤出胀大率的几种方法。

Methods to lower the swelling ratio are presented.