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通过两组材料相同、壁厚相近的对比样管的试验研究,找到壁厚相近对比样管定量的方法,解决实际检测中无法找到与待检管材料、尺寸均相同的对比样管的困境。
Through two groups of test materials with the same thickness and similar thickness, we can find the method to compare the sample tube with the similar wall thickness, and solve the problem that the sample tube with the same size and material can not be found in the actual test.