Based on the hardness analyses of actual spot welded joints, a computational model that consists of nugget, HAZ and base metal is established for the single point spot welded lap joints.
基于对实际点焊接头硬度分布的分析，建立了包括熔核、热影响区和母材的单点点焊搭接接头计算模型。
The nuggets of bulk density and wilting point are very tow, and the nugget of soil water content is decreased with depth.
容重和萎蔫含水量的块金值都很小，尤其是萎蔫含水量在各层的块金值都相等，含水量的块金值随剖面深度而降低。
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