公路等级
- 网络highway classification; class of highway; road grade
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公路等级
highway classification
腾龙三少_新浪博客 ... 公路网密度 highway density 公路等级 highway classification 公路自然区划 climatic zoning for highway ...
class of highway
CLASS... ... class of head of mission {n.}使馆馆长的等级 class of highway {n.}公路等级 class of index number {n.}指数分类 ...
road grade
... The design of drain of high grade road; 浅述高等级公路的排水设计 ) road grade 公路等级 ) grade highway 等级公路 ...
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