英语单词“PF”的翻译、意思、用法、释义-英汉词典

单词	PF
释义	PFabbr.1.■pianoforte2.■= p.f.3.■power factor 功率因素4.■pilot filter 导频滤波器5.■primary freguency 主频6.■punch off 不穿孔7.■[亦作pf] personal foul 侵入犯规
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