precooling

常见例句

• After harvesting, the fruit should be carried out precooling immediately.
  果实采收之后，应立即进行预冷。
• Appropriate carbon-diffusion and holding-temperature during precooling are effective improvement measures.
  恰当的渗碳扩散与预冷保温是提高疲劳寿命的有效措施。
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