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1.The ratio-frequency welding process is crucial for the strength and durability of the joints.
比率-频率焊接过程对于接头的强度和耐久性至关重要。
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2.In this study, we investigated the effect of different ratio-frequency welding parameters on the mechanical properties of the welded joints.
在这项研究中，我们研究了不同的比率-频率焊接参数对焊缝机械性能的影响。
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3. The ratio-frequency welding technique has been widely used in the automotive industry to improvethe structural integrity of components.
比率-频率焊接技术在汽车工业中被广泛使用，以提高部件的结构完整性。