• 1. first-rate quality: 头等质量 | 头等的质量 | 最佳品质
• 2. first-rate top quality: 头等重要的
• 3. first degree quality rate: 一级品率

• 1.The products are of first-rate quality.
  这些产品的质量是一流的。
  dict.yoduao.com
• 2.First-rate quality is enterprise pursued all along.
  一流的品质是企业始终的追求。
  dict.yoduao.com
• 3.Thee oil produced in Dagang is of first-rate quality.
  大港油田生产的石油质量是头等的。
  dict.yoduao.com

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