问题
单项选择题
电流互感器精益化评价中，外绝缘表面清洁，绝缘子无破损、无裂纹、法兰无开裂，没有放电、严重电晕现象，单个缺釉不大于（）mm2，釉面杂质总面不超过100mm2。
A.15
B.20
C.25
D.30
答案
参考答案：C
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电流互感器精益化评价中，外绝缘表面清洁，绝缘子无破损、无裂纹、法兰无开裂，没有放电、严重电晕现象，单个缺釉不大于（）mm2，釉面杂质总面不超过100mm2。
A.15
B.20
C.25
D.30
参考答案：C
| 完型填空。 | |||
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