简介:Part1:CopyMachineBreakdownJack:CitywideCopyService,RepairDesk.ThisisJack.HowcanIhelpyou?Angela:Hello,Jack.ThisisAngelaDodgesonatWallbergHotels.Oneofyourrepairmen,Paul,washereyesterdaytorepairourphotocopier[复印机].Butit’snotworkingagainthismorning.Ineedhimtocomebackassoonashecan.
简介:摘要某型平台式惯导系统在进行静态阻值测试、单机通电、故检检测时正常,分解后发现电源组件表面有烧焦、烫伤,机箱存在多余物等故障现象,对该故障进行分析和排除。