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辗环
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辗环
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ring rolling
辗环
在轧辊的作用下,使环件产生连续局部塑性变形,实现环件直径扩大、壁厚减薄、截面轮廓逐渐成形的塑性加工工艺。又称环件轧制、辗扩。
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cosmic deceleration
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cosmic density parameter
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cosmic distance
cosmic distance ladder
cosmic downsizing
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cosmic dust detection
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cosmic environment
Cosmic Evolution Survey
cosmic expansion
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cosmic figure
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cosmic gas dynamics, cosmic aerodynamics
cosmic gusher
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Cosmic Hot Interstellar Plasma Spectrometer Satellite
cosmic infrared background
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