【化】 板效率; 塔板效率

rest guiding plate Aker clasp【口腔】;RPA clasp【口腔】

rest guiding plate I bar clasp, RPI clasp, Kratochvil clasp

perforated-plate distillation column

guide plate, heat exchanger

sizing sheet (sheet metal) (plate)

perforated-plate distributor【化工】

planetary plate【机】

slot mesh plate