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干式变压器所在环境的相对湿度不应超过()A.50%~60%B.65%~70%C.70%~85%D.85%~90%
干式变压器所在环境的相对湿度不应超过()
A.50%~60%
B.65%~70%
C.70%~85%
D.85%~90%
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干式变压器所在环境的相对湿度不应超过()
A.50%~60%
B.65%~70%
C.70%~85%
D.85%~90%
A.90%
B.70%
C.50%
D.30%
A.30℃、相对湿度<60%
B.25℃、相对湿度<75%
C.30 ℃、相对湿度<75%
D.25℃、相对湿度<60%
E.20℃、相对湿度<80%
A.气体绝缘干式变压器
B.卷铁芯干式变压器
C.低损耗油浸于式变压器