closed flock breedingclosed-flock breeding的意思|示意
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封闭畜群养殖封闭畜群养殖
closed flock breedingclosed-flock breeding的网络常见释义
封闭式育种 ... 封闭式轴承: closed type bearingenclosed bearingsealed bearing 封闭式育种: closed flock breedingclosed-flock breeding 封闭式传动轴: enclosed cardan shaft ...