sand dike 中文意思是什麼

sand dike 解釋
砂巖墻
  • sand : n 1 沙。2 〈 pl 〉 沙灘，沙洲，沙地，沙漠。3 〈 pl 〉 沙粒；（計時用的沙漏中的）細沙。4 光陰，時...
  • dike : n 1 堤，堤防，堰堤。2 溝，濠，渠。3 【礦物】巖脈。4 障礙物。vt 1 用堤[濠溝]圍繞。2 開溝排水。n 搞...
  1. Northeast because of following the sea strong breeze function, the sand ground is most the breadth to amount to 2030 kilometers of s, some sand dikes with a few place be juxtaposed, becoming one lagoon plain of special sand dike

    東北部由於沿海強風作用，沙地最寬達20 30公里，有些地方幾條沙堤並列，形成特殊的沙堤一瀉湖平原。
  2. Efficiency of permeable pile dike is closely related to water - sand ratio in upstream flow, direction of the coming flow and seepage rate. this paper investigates mechanism and effect of flow control and aggradation using hydraulic modeling and theoretical analysis. it is shown that suitable seepage rate can help aggradation and suitable coming flow direction can help to govern the flow trend

    研究結果顯示，來流和來沙一定的條件下，透水率在適當的范圍內有利於壩后緩流落淤，入流角在一定范圍內對控導河勢有明顯作用，不同方案組合所對應的緩流落淤效果和控導河勢作用具有一定的差異性。
  3. Article 26 no excavation of sand, dike and dam construction, dumping of rubbish, reduction or expansion of river - beds, or demolition operations may be carried out within 200m either upstream or downstream of large highway bridges and highway ferries

    第二十六條不得在大型公路橋梁和公路渡口的上、下游各二百米范圍內採挖沙石、修築堤壩、傾倒拉圾、壓縮或者擴寬河床、進行爆破作業。
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