We will have focal point study for moving and fixing grid law etc., have the application to the free surface search of he impressure influent fields.
在数值模拟中重点对移动和固定网格法等进行了研究，并应用固定网格法对无压渗流场自由面进行了搜索计算。
This article describes the base material, surface finish, and process changes to be considered when moving to a lead free product that will require UL Certification.
本文描述了无铅产品在获得UL认证时，所需要考虑的基料、表面处理和工艺方面的变化。
This article describes the base material, surface finish, and process changes to consider when moving to a lead free product that will require UL Certification.
本文描述在实现需要UL认证的无铅产品时必须考虑的基料、表面处理和工艺变革。
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