英语词汇“stone ballast”的翻译、意思、用法、释义-英汉汉英双解词典-爱贷网

词汇	stone ballast
释义	stone ballast短语¹⁴⁴⁹⁷²⁺² 基本例句石渣粉 Railway crushed stone ballast dynamic stiffness and damp are important parameters of dynamic simulation of track structure. 道床动刚度和阻尼是轨道结构动力仿真计算的重要参数。 cnki
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