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美国新泽西州一家公司发明了一种新型的光纤维包装封条。包装产品贴上这种封条以后,如果擅自启封,封条中的光纤维就会错动位置,
A company in New Jersey, USA, invented a new type of optical fiber package seal. Packaging products affixed to this seal later, if unopened, the optical fiber seal will be the wrong location,