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YKG—1型马口铁易开盖技术前不久由西北工业大学研制成功。国外目前非常普及的易拉罐,其材料均为铝合金,制作成本非常高昂。而在马口铁罐头盖上实现
YKG-1 type tinplate easy to open cover technology recently developed by Northwestern Polytechnical University. Currently very popular cans abroad, the materials are aluminum alloy, the production cost is very high. And tin cans in the lid