名词
中文翻译：点焊
同义词：
['spot welding', 'spot heat treatment']
例句：
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1.The spot annealing process is crucial for the quality of the welded joints.
点焊过程对于焊接接头的质量至关重要。
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2. During the spot annealing stage, the metal is heated and cooled rapidly to reduce defects.
在点焊阶段，金属被迅速加热和冷却，以减少缺陷。
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3. The spot annealing technique has been widely used in the automotive industry to improve the strength and durability of the materials.
点焊技术在汽车行业中广泛使用，以提高材料的性能和耐用性。