Pork is an important part of human prand, so the structure of the human meal is greatly influenced by the improvement of the output and quality of pork.

 
  • 豬肉是人類(lèi)膳食的重要組成部分,提高豬肉的產(chǎn)量和質(zhì)量,對改善人們膳食結構的影響重大。
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