... 局部氧化针孔localized oxidized pinholes 局部硬化differential hardening 局部硬化local hardening ...
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... differential equation差分方程 differential hardening局部淬火、局部淬硬 differential pressure meter差动压力表 ...
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A three-dimensional numerical model for laser surface transformation hardening of metals using the finite differential technique is given in this peper.
给出了用有限差分法对金属材料激光相变硬化过程建立的三维数值模型。
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