单词：subsurface tillage
次表土耕作法
单词：subsurface tillage 相关文章
This is the VOA Special English Agriculture Report. Farmers and gardeners have turned the soil for centuries. But many now believe in no-till or reduced tillage, a method also called conservation tillage. The Conservation Technology Information Cente
发表于:2018-12-07 / 阅读(59) / 评论(0)
2010年VOA慢速英语(九)月
2010年VOA慢速英语(九)月