pinhole wall 中文意思是什麼

pinhole wall 解釋
抵抗墻
  • pinhole : n. 針孔,小孔,小洞。 a pinhole camera 無透鏡照相機〈在暗箱上開小孔,以代替透鏡〉。
  • wall : n 1 墻壁;(石、磚等的)圍墻;城墻。2 (形狀、用途)像墻壁的東西,障壁;土堤,堤防。3 (礦井、容...
  1. The dispersibility as well as seepage distortion and salt transference under long - term seepage condition of soil samples obtained from the clay core wall in xijiao and sanping reservoirs were studied by physical and chemical properties of soil and composition of clay mineral and the tests for identification of dispersive clay soils which included double - hydrometer test, pinhole test, crumb test, tests to defermine salt content of pore water and percentage of exchangeable sodium

    摘要應用碎塊、針孔、雙比重計、孔隙水可溶鹽和交換性鈉百分比等五種試驗方法,結合物理化學性質和礦物成分分析,對西郊、三坪兩水庫大壩心墻土樣進行了多種方案的分散性試驗及長期滲流條件下的滲透變形試驗和鹽分運移試驗。
  2. Centrifugal casting , compact structure , free from pinhole porosity and slag , smooth surface and even wall thickness

    高速離心鑄造,組織緻密,無砂眼、夾渣,表面光滑、壁厚均勻。
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