It prevents the oxidation of the metal surfaces during the heating operation by excluding oxygen.

将氧排斥在外以防止在加热期间金属表面被氧化。

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A new method to estimate optimum heating operation for reheating furnace is presented in this paper.

提出了计算加热炉最佳加热制度的一种新方法。

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Thermal calculation made is mainly to assess whether the inlet oil temperature at each station after non-heating operation is higher than crude oil's pour point;

热力计算主要是核算越站后各站的进站油温是否高于原油的凝点；

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Driving range may vary in real world operation, due to the effects of environmental conditions, terrain, air conditioning and heating use, driving style and other factors.

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