An average summer output in excess of 900 kg . liveweight per ha. could not have been obtained if there had been a complete reliance on clover nitrogen.
要是完全依靠
的氮，要在夏季获得每公顷场900公斤以上的活
增重，是不可能的。
An average summer output in excess of 900 kg . liveweight per ha. could not have been obtained if there had been a complete reliance on clover nitrogen.
要是完全依靠的氮，要在夏季获得每公顷场900公斤以上的活增重，是不可能的。
声明：以上例句、词性分类均由
资源自动生成，部分未经过人工审核，其表达内容亦不代表本软件的观点；若发现问题，欢迎向我们指正。
