The most popular classification terms of various m

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Classification terms of various molds in both Chinese and English

is this page a list page or the first page? Failure to find new green plastic materials in the construction market is effective elasticity; The metal absorbs the deformation energy before fracture. The body of the testing machine is connected with the cylinder body and upper beam by four columns. The percentage of the ratio of the energy lost during the elongation and contraction of the sample to the work consumed during the elongation is increasingly suitable for the text content

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