The mechanical parameters of the cooling tube with spiral flute were measured by the tension and fatigue tests.

由拉伸和疲劳试验，测定了冷凝器用钛螺纹槽冷却管的力学参数；

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The mechanical parameters of the cooling tube with spiral flute were measured by the tension and fatigue tests.

由拉伸和疲劳试验，测定了冷凝器用钛螺纹槽冷却管的力学参数；

youdao