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The resistance to thermal fatigue on ductile iron is studied in detail.
对不同基体球铁的抗热疲劳性作了实验研究。
youdao
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The effect of thermal treatment on fatigue life is not obvious.
热处理对疲劳寿命无显著影响。
youdao
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The effect of thermal treatment on fatigue life is not obvious.
热处理对疲劳寿命无显著影响。
youdao