In niobium alloy containing carbon occurs decarburization in case of contamination by oxygen at higher temperature.

含碳的铌合金,若在高温下受氧沾污,易产生脱碳现象.

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Decarburization shall be determined by microscopic examination as described in BS 6617 : Part 1.

按照 BS6617: 第1部分的描述,通过精微检测来决定脱碳.

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Its solution depends mainly on the solution circulation pump ( Decarburization large pump ) to provide.

其溶液循环主要靠溶液泵 ( 脱碳大泵 ) 提供.

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There is tight ( or thin and highly adherent ) scale and decarburization, at least in certain areas.

部件上有密布 ( 稀疏但附着力很强 ) 鳞片和脱碳痕迹, 至少在部分区域如此.

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