... 水锤泵站ram station 坝下埋管under dam culvert 沉沙池silting basin ...
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... 埋设在地下的木材 bogwood 埋设在土石坝坝底 under dam culvert 设在埃尔拉希迪亚 el rachidia ...
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culvert under dam 坝下涵管
·2,447,543篇论文数据，部分数据来源于NoteExpress
The authority built the dam and brought in a team of divers to clear a culvert under the road at the start of the year.
BBC: A34 at Meaford reopens after flooding
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