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  机译： 预防犊牛肠炎和大肠埃希氏菌病的方法

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  机译： 电动机预防性维护设备，电动机预防性维护方法和电动机预防性维护系统

• 5. Preventive maintenance management equipment, preventive maintenance management program, and preventive maintenance management method [P] . 日本专利： JP2020154350A . 2020-09-24

  机译： 预防性维护管理设备，预防性维护管理程序和预防性维护管理方法

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