我们的胶原蛋白来自大邑生态养殖区的猪。

Our collagen is porcine collagen comes from Dayi zoology hoggery.

文中介绍空气钻井技术在大邑1井的应用情况。

The paper introduces the application of air drilling technology in well Dayi 1.

去年刘的孙子之一在大邑组织一场刘氏家族的聚会。他们曾经担心告诉别人他们有与刘留有同样的血脉。

Last year a grandson organised a get-together in Dayi for the extended Liu clan, whose members would once have been terrified of revealing their ties.