Effect of pressed helix in helical slow - wave structure on twt cold - test characteristics 螺旋线径向挤压变形对其慢波结构冷测特性的影响
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The margin of error between practical measuring results and calculation results using formula deduced in this dissertation was under + 10 % 所推导的金属粉末径向挤压挤压力的计算公式,经实验验证,误差不超过10 ,满足工程要求。