high impedance transformers
high impedance transformers
高阻抗变压器
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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Power lines are extremely hostile places for data signals, with high levels of electronic noise and an obstacle course of transformers, surge arrestors and splices that create a huge impedance to the free flow of high-frequency signals.
FORBES: Magazine Article