“road construction area sign”的概念、定义、翻译、参考文献-科学参考

单词	road construction area sign
释义	road construction area sign Encyclopedia 工学被动发光标识释 road construction area sign道路施工区域标识为降低公路施工养护事故率，维护正常的交通流运行，保护公路施工养护人员及公路使用者的安全，必须根据不同的公路等级和施工区特点设置的安全警示和相关作业。通常设在道路施工、养护等路段前适当位置，一般为长方形，蓝底白字，图案部分为黄底黑图案。
随便看	old-age morality Old-Age Pension of Canada old age poverty old age's wear old age welfare old and antique book market Old and New Shanghai Old Boys old Chinese grammar old Chinese sounds Old City of Jerusalem and its Walls World Culture Heritage old covariant quantization old crape myrtle planted by Emperor Songgaozhong old dependency ratio old disk star Oldenburg old English literature oldenlandia older-person-centred health service older population oldest old person Old Fortunatus old gilt bronze statue of sitting Amitabha Buddha cast in the 13th year of Kaihuang period of Sui Dynasty Oldham bamboo Old History of Five Dynasties

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