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The present paper summarises different atmospheres used for sintering of PM steels. Using some examples, the effect and influence of different sintering atmo...
本文综述了PM钢烧结过程中所用的不同的烧结气氛,阐述不同气氛的作用及其影响,着重分析不同气氛中碳势及氧浓度的控制,并举例说明
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"We're making this up as we go, to some degree," Ms. Mills said.
"我们正让这一切,在某种程度上,按照我们的计划前进",Mills女士说。
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Your score for each eliminated line varies by level.
你的在每条被消除的线方面的成绩按程度变化。