- Finally,IfulfilledXiaoyan'slastwishofhandingtheresearchdataannotatedbyherlifetoherresearchinstituteintactly.Settingupaswitcheachoneofarcweldinggenerator,lengthoflinecan'texceed5meters,thelengthoflinetwotimescan'texceed30meters,thecircuitisrequired...
- 19346