损耗的变化主要是由于杂质的吸收和微弯损耗。
The change of loss is due to the impurities 'absorption and the microbending loss.
它的原理就是利用滤油纸吸收水分、过滤杂质。
Its principle is to use filter oil on paper can absorb water and filter impurities.
它的原理就是利用滤油纸吸收水分、过滤杂质。
Its principle is to use filter oil on paper can absorb water and filter impurities.
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