单词 | pf. |
释义 | pf. abbr. perfect pfennig pianoforte preferred proof portfolio proforma invoice Pf. abbr.pfennig PF abbr.pianoforte = p.f. power factor 功率因素 pilot filter 导频滤波器 primary freguency 主频 punch off 不穿孔 [亦作pf] personal foul 侵入犯规 pf abbr.picofarad(s) = p |
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