不锈钢防护层
Stainless steel protective layer
以上为机器翻译结果，长、整句建议使用 人工翻译 。
对加氢热壁反应器不锈钢堆焊防护层的缺陷状况进行了初步分析。对保留缺陷的在役使用。提出了建议。
The defects in stainless steel overlay of hot-wall hydrogenation reactor were preliminarily analyzed. Maintaining the reactor in service with defects was suggested.
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