对45钢力学拉伸试验后试样的内部组织结构及断口的全面分析，认为钢中存在较高含量的氢是造成钢材脆性断裂的主要原因。
The internal structure and fracture features in samples 45 steel after tensile testing is perfectly analyzed in this paper.
对45钢力学拉伸试验后试样的内部组织结构及断口的全面分析，认为钢中存在较高含量的氢是造成钢材脆性断裂的主要原因。
The internal structure and fracture features in samples 45 steel after tensile testing is perfectly analyzed in this paper.
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