【电学】多孔板塔盘（叶轮式栅格分馏塔盘）

perforated plate

perforated ( eardrum )

perforated hardboard【木】

watering arrangement with perforated pipe-line located above the soil

perforated block (cored block, hole block)

Duodenorrhpahy, suture of perforated ulcer

PPU(Perforated petic ulcer)

posterior perforated substance,