pph.

英 美
  • pamphlet;abbr.;=pamphlet
  • pph n.小册子
  • pph. pamphlet;abbr.;=pamphlet
  • PPHA =PeakPulseHeightAnalysis峰值脉冲高度分析
  • pphm =partsperhundredmillion亿分率(0.;000001%25)