It has a single "hard burned" and refractory grade MgO. Material temperature is difficult to control resulting in inconsistencies that reduce reactivity, costing the end user more.
回转炉内的物料温度控制难度很大，从而导致产品质量的严重不均匀，这会造成氧化镁产品的反应活性下降、最终用户的生产成本升高。
Many people make the mistake of starting too hard, and they get burned out or injured or discouraged within a couple of weeks.
许多人犯了开始就追求难度的错误，以至于在最初几周里，过度疲乏、受伤或是感到力不从心。
Carbohydrates are stored in your muscles in the form glycogen and are burned for energy during hard exercise.
碳水化合物以糖原的形式贮存在你的肌肉里，锻炼时会燃烧起来提供人体所需的能量。
I think during those years I burned out really hard.
我想在那些年我真的精疲力尽了。
I think during those years I burned out really hard.
我想在那些年我真的精疲力尽了。
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