loose-housing system舍饲: drylot feeding法: law散放牛舍管理方法 散放舍饲法: loose-housingsystem分栏舍饲法: stall-barn system鼻饲法: nasal feeding下载手机词典可随时随地查词查翻译关注微信公众号:chachacidian,回复:散放舍饲法,即可在微信中查询翻译