The manufacture process of aluminum foil was analyzed, explained the performance and the merit of the polyurethane rubber punching die.
分析了铝钎焊料的加工工艺，说明了聚氨酯橡胶模的性能和优点。
The manufacture process of aluminum foil was analyzed, explained the performance and the merit of the polyurethane rubber punching die.
分析了铝钎焊料的加工工艺，说明了聚氨酯橡胶模的性能和优点。
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