予处理温度对针状组织的性能基本无影响，但升高予处理温度对颗粒状组织的性能有害。
The heating temperature of pretreatment hasn't much influence on the properties for acicular structure, but it is detrimental to the properties for granular structure.
结果表明，锆的加入增加了焊缝金属中针状铁素体的含量，改善了焊缝金属的微观组织。
The results show that the addition of Zr increases the content of acicular ferrite and improves the microstructure of weld metal.
结果表明：随钼的质量分数增加，针状铁素体的含量增加，并且出现了M - A组织。
The results show that, with the increase of Mo content, the acicular ferrite's content increases, and M-A microstructure appears.
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