Quality Grade and Yield Grade were generally included in a satisfactory Beef Grading System.

完善的牛肉分级体系一般都包括质量等级标准和产量等级标准。

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Quality Grade and Yield Grade were generally included in a satisfactory Beef Grading System.

完善的牛肉分级体系一般都包括质量等级标准和产量等级标准。

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