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活塞圓周表面焊銅,怎樣最經(jīng)濟(jì)? |
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點(diǎn)評
最適合你的焊接工藝是磁成形,成型后兩種材料完全結(jié)合,而且效率極高。
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點(diǎn)評
銅環(huán)套在活塞上用磁成形機(jī)使銅環(huán)與活塞成形在一起。
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