问题
多项选择题
变压器油质的变化应从（）方面判断。
A、粘度；
B、闪点；
C、酸价；
D、水分。
答案
参考答案：A, B, C, D
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变压器油质的变化应从（）方面判断。
A、粘度；
B、闪点；
C、酸价；
D、水分。
参考答案：A, B, C, D
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