It is proved in engineering that the high quality aluminum-brazed brazing alloys is the crucial technology of the bus aluminum production of window frame.
工程应用表明，高质量的铝钎料是汽车铝窗框生产的关键技术。
It is proved in engineering that the high quality aluminum-brazed brazing alloys is the crucial technology of the bus aluminum production of window frame.
工程应用表明，高质量的铝钎料是汽车铝窗框生产的关键技术。
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