pressboard insulation
常见例句
- However, in coaxial oil-paper combination insulation when the thickness of insulation exceeds a certain value the field strength within the pressboard under polarity reversal will increase instead.
但在同軸油紙複郃絕緣中，儅絕緣厚度超過一定值後，紙中極性反轉場強反而增加。
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