“tube inversion”的概念、定义、翻译、参考文献-科学参考

单词	tube inversion
释义	tube inversion Encyclopedia 工学〔管材成形〕释 tube inversion翻管通过模具对金属圆管施加轴向压力或轴向拉力，使管材发生翻卷变形，获得双层或多层空心结构零件的特种材料冲压成形工艺。
随便看	natural damping natural decline of yield natural deduction natural deduction system natural degradable biopolymers natural density natural derivation natural destroying traces natural direction natural disaster natural disaster and foreign object intrusion monitoring system for high-speed railway natural disaster emergency management natural disaster in civil engineering natural disaster map natural disaster mechanics natural disaster regionalization map natural disaster relief natural disaster risk natural disaster risk map natural disasters in China natural disorder natural disturbance in invasion area natural domain natural domain of definition natural domain of existence

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