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最佳答案：A kind of single carbonless copy pape
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最佳答案：这么说来还是碳的含量嘛Carbon Contentrelation between composition sinter and carbon content楼
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最佳答案：翻译成英文是这样的：In the context of coordinated global response to climate change, low p
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最佳答案：Low carbon life is living in the consumption of energy 作息 should try to decrease
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最佳答案：Low carbon life means life work and rest when consumed energy will decrease as f
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最佳答案：不对.what I have done is minor matter.前者表示参加 后者表示参加并在其中起到一定作用 自己酌情看吧.我觉得应该是后者.
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最佳答案：分析了某低碳合金结构钢（20CrMnMoH）制的主传动主动齿轮渗碳淬火、高频退火后花键部位批量裂纹产生的原因,是由于渗碳淬火组织不良、高频退火工艺及锻坯组织控制
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最佳答案：My military training has already finished,I'am so exhausted!We are training outs
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最佳答案：Now, environment pollution is a serious problem. Every one of us should live a l
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最佳答案：The environment friendly ICT provides a good chance for reducing the carbon foot