fatt fracture appearance transition temperature
断口形貌转变温度
以上为机器翻译结果，长、整句建议使用 人工翻译 。
The crack propagation rate of pipes is mainly dependent on FATT of Steels of pipes (fracture appearance transition temperature). And FATT can be measured by drop weighted tear tests.
管道裂纹的扩展速度主要取决于管道钢的转变温度FATT。FATT可由落锤撕裂试验测定。
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