$精密科学(EXAS)$ 8-K - Current report Filed: 2017-12-18 AccNo: 0001104659-17-073747 Size: 411 KBItem 1.01: Entry into a Material Definitive AgreementItem 2.03: Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a RegistrantItem 9.01: Financial 网页链接