由于铝合金高导热率和低电阻率的特点，因此其点焊性能较差。
The spot welding performance of aluminum alloy is poor because of its high thermal conductivity and low resistivity characteristics.
由于铝合金高导热率和低电阻率的特点，因此其点焊性能较差。
The spot welding performance of aluminum alloy is poor because of its high thermal conductivity and low resistivity characteristics.
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