“pedestrian bridge”的概念、定义、翻译、参考文献-科学参考

单词	pedestrian bridge
释义	pedestrian bridge Encyclopedia 工学桥梁类型释 pedestrian bridge人行桥供行人步行和自行车行驶的桥梁。建造人行桥的主要目的，是为了避免行人（包括人力或电动自行车）与机动车相互干扰，保证交通安全。
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科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。