dairy breed meaning in English

乳用品种

Based on large amounts of investigations on domestic dairy housings at present in beijing and aimed at dairy breeding technology - dairy building parameters - dairy structure , this paper made the portal frame of light - weight steel structure in cowshed to be the researched case and elaborated the theories and methods of structure optimization of portal frame of light - weight steel structure in cowshed . at last , some conclusions were drawn
本文在大量调查研究的基础上，针对目前我国牛舍发展落后的现状，针对北京地区，从成乳牛舍内饲养工艺?成乳牛舍建筑参数确定?成乳牛舍结构角度出发，选取轻型门式刚架牛舍作为研究对象，阐述了轻型门式刚架牛舍结构优化的理论和方法，并取得了一些结论。