【机械工程】穿孔圆盘【运输】多孔转盘萃取

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,