free stall短语¹⁸⁰⁰⁹⁸⁺¹ 基本例句 un.牧开放式牛栏；🌏具有自由进出栏设施；自由进出栏；牛床 In many large farms, the sand is“ recycled” from the free stall, into the gutter or alley, carried by water to a recovery system, and then reapplied to the free stall. 在许多大型养殖场中，沙子都是从散栏畜舍中“循环利用”进入排水沟或巷道，跟污水一起被运送到回收系统，然后重新用到散栏畜舍。 cow-info.cn