“fowl cholera”可以造什么句,fowl cholera造句
来源:语文精选馆 3.14W
The layers of the four poultry farms in the north region of Jiangsu Province were experimented with the oral fowl cholera Vaccine R1-23 strain for study the effect on egg production.
Preparation of an inactivated vaccine with microcapsule shape against fowl cholera by drying in liquid