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氮基气氛具有气源丰富、安全经济和适用性广等特点。介绍氮气的各种制备方法、纯度以及在轴承零件热处理中的应用。附图 2幅 ,表 1个。
Nitrogen-based atmosphere with rich gas source, security, economy and wide applicability. Introduced a variety of nitrogen preparation methods, purity and application in bearing parts heat treatment. Figure 2, Table 1.