plaincarbonsteel相关论文
The fracture of pipelines caused by corrosion cracks and the resulting oil and gas leakage can lead to great environment......
为了改善矿用支护型钢的强韧性,研制了型钢控冷热处理生产线并且研究了控冷对普通碳钢组织和性能的影响。试验结果表明,通过调整控冷......