分析了钢中碳、锰、铌、钒和钛等元素对管线钢组织和性能的影响，以及硫、磷、氧等杂质元素对钢的性能影响。
The effect of carbon, manganese, vanadium and titanium on the microstructure and properties, as well as the effect of sulfur, phosphorus and oxygen on properties were investigated.
分析了钢中碳、锰、铌、钒和钛等元素对管线钢组织和性能的影响，以及硫、磷、氧等杂质元素对钢的性能影响。
The effect of carbon, manganese, vanadium and titanium on the microstructure and properties, as well as the effect of sulfur, phosphorus and oxygen on properties were investigated.
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