A.2.0 B.2.5 C.1.5 D.3.0
A.5~5 B.5~7 C.5~8 D.5~6
A.电压等级110kV变压器油中含水量测试为30mg/L B.电压等级110kV变压器油中含水量测试为35mg/L C.电压等级110kV变压器油中含水量测试为15mg/L D.电压等级110kV变压器油中含水量测试为20mg/L