基本解释预冷同根派生 precooling相关词英汉例句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。precooling更多例句