insulating oil tester
... 袖珍绝缘试验器 pocket insulation tester 绝缘油试验器 insulating oil tester 绝缘击穿试验器 insulating puncture tester ...
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通过对变压器绝缘油的试验分析，认为钙、镁离子进入变压器绝缘油是导致变压器绝缘油介质损耗偏高的主要原因。
It is believed that the calcium ion and magnesium ion went into transformer insulation oil is why the loss of them is higher through the test of transformer insulation oil.
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