boiler fitting
锅炉配件
以上为机器翻译结果，长、整句建议使用 人工翻译 。
In this paper, high temperature and high-pressure components fitting for life assessment such as main steam pipeline and boiler tube were selected for life management studying.
本课题选取适合寿命评估的高温高压部件，如主蒸汽管道及过热器管进行寿命管理研究。
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