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畜牧人

標(biāo)題: B超測定牛背膘厚和眼肌面積 [打印本頁]
作者: 王治方    時間: 2010-5-27 11:03
標(biāo)題: B超測定牛背膘厚和眼肌面積
有哪位老師做過，發(fā)一些資料
作者: lzrn    時間: 2010-5-27 17:44
這個問題是個缺乏經(jīng)驗性的問題 很少有人這么做
作者: 泰山牧業(yè)    時間: 2010-10-21 08:50
太麻煩了吧
作者: 朱習(xí)春    時間: 2010-10-21 09:17
很少有人這么做



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亚洲日韩精品无码专区网站_亚洲日本一区二区_亚洲Av无码专区国产乱码DVD_亚洲精品永久在线观看 
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