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该发明属于镁合金材料。提出的蚀刻用镁合金其化学元素成分的重量比分别为:Al为2.5～3.5%,Zn为0.7～1.2%,Ca为
The invention belongs to the magnesium alloy material. The proposed magnesium alloy for etching has chemical element compositions in weight ratios of Al of 2.5-3.5%, Zn of 0.7-1.2%, Ca of