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Baiyang Dian
释义
Baiyang Dian
Encyclopedia
理学
白洋淀
释
Baiyang Dian
白洋淀
华北平原上最大的淡水湖。大清河缓洪滞沥的天然洼淀。旧称白阳淀、西淀。
随便看
Rn中的方向
RN黑洞
road
road air pollution and prevention
road asphalt
roadbed
roadbed of forest road
roadblock
road coloring problem
road condition measuring instrument
road congestion pricing
road construction and road maintenance machinery
road construction and road maintenance machinery and equipment
road construction area sign
road construction equipment
road cross-section design
road cutting machine
road cycling
road detection
road drainage
road elevation
road engineering geo-logical problems
road environment
road evaluation
road for factory and mine
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更新时间:2026/11/15 13:13:11