“John Loudon McAdam”的概念、定义、翻译、参考文献-科学参考

单词	John Loudon McAdam
释义	John Loudon McAdam Encyclopedia 工学〔人物〕释 John Loudon McAdam马克当，J.L. （1756-09-21～1836-11-26）英国路面和公路工程专家。苏格兰人。他发明了用碎石铺路的形式。这类道路形式被命名为“马克当化”，并把碎石路面称为马克当路面。理学〔土木工程人物〕释 John Loudon McAdam马克当，J.L. （1756-09-21～1836-11-26）英国公路工程专家。
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