Extrusion die design for compound triple-layer plastic pipe by two extruding machines is introduced.
介绍用两台挤出机共挤复合三层塑料管材机头的模具设计。
Gold plated bright crystal necklace with triple-layer center featuring oval and teardrop-shaped fanning stone detail.
镀金闪亮水晶项链，中央三层依次垂下，带有椭圆和水滴放射状宝石设计。
Taking the Hangzhou Bay Sea-Crossing Bridge offshore platform as an example, the integral analysis of a kind of multi-storey steel building with triple-layer space trusses is introduced.
杭州湾跨海大桥海中平台结构由浅海高桩平台、上部多层框架以及屋顶异形三层网架组成，结构形式复杂，整体分析难度大。
The applicability of the constant capacitance model, the diffuse layer model and the triple lay er model to the natural sediments were compared.
对恒定容量模式、扩散层模式和三层模式在天然水体沉积物中的应用进行了比较。
But for triple stratum foundation, if the top sand layer is relatively thin, piping is vertical. The damage zones are large in width and depth that expand to the sand layer and gravel layer.
当三层堤基浅砂层较薄时，将发生深层管涌破坏，管涌破坏区涉及浅砂层及下部砂砾石层，其宽度和深度较双层堤基大，出口涌砂量也较多。
But for triple stratum foundation, if the top sand layer is relatively thin, piping is vertical. The damage zones are large in width and depth that expand to the sand layer and gravel layer.
当三层堤基浅砂层较薄时，将发生深层管涌破坏，管涌破坏区涉及浅砂层及下部砂砾石层，其宽度和深度较双层堤基大，出口涌砂量也较多。
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