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road construction area sign
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road construction area sign
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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。
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two-current model
two-decision problem
Two-degree-Field Galaxy Redshift Survey
Two-degree-field redshift survey
two-degree of freedom control
two-demensional polymer
two-digit integer
two-dimensional
two-dimensional annulus
two-dimensional aperture synthesis
two dimensional assemblies
two-dimensional assemblies
two dimensional atomic crystal
two-dimensional atomic crystal
two-dimensional barcode
Two-dimensional barcode Recognition Technology
two-dimensional Bravais lattice
two-dimensional capillary electrophoresis
two-dimensional cell
two-dimensional chain
two dimensional chromatography
two-dimensional chromatography
two-dimensional classification
two-dimensional cocycle
two-dimensional complex
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