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精冲成形
用压边圈使板料冲裁区处于三向压应力作用下,抑制剪裂纹的发生,实现塑性变形分离的冲裁方法。简称精冲。
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thermal vacuum test for space transport vehicle
thermal vacuum test method for spacecraft
thermal valve
thermal velocity
thermal vibration
thermal-vibration test
thermal viscosity reducing technique
thermal voltaic transducer
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thermal wave adsorption refrigeration cycle
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thermal wax-transfer printer
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