“extrusion ratio”的概念、定义、翻译、参考文献-科学参考

单词	extrusion ratio
释义	extrusion ratio Encyclopedia 工学挤压释 extrusion ratio挤压比挤压前毛坯的横截面积与挤压后制品的横截面积之比。又称挤压系数、挤压延伸系数。
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