非承压部件
Non-pressurized part
以上为机器翻译结果，长、整句建议使用 人工翻译 。
电站锅炉承压部件与非承压部件异种钢焊接选材存在问题，没有足够的试验数据作为参照。
There is a problem in selecting consumables as welding T91 steel tubes and non-load-bearing stainless steel plates, that is, there is not experimental data enough to support that.
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