词汇	powdery catalyst
释义	powdery catalyst 粉体触媒
随便看	Dosinella dosinella angulosa dosinella orbiculata dosing feeder dosing fluent solid material dosing fluent solid material during packaging dosing dosing aids Do sing along if you know the words dosing and isolation dosing and proportionating slide valve dosing and weighing system dosing apparatus dosing apparatusmetering by volume dosing belt weigher dosing belt-weigher dosing bin dosing bin for dry fiber Dosing bin for dry fiber dosing boxes dosing by means of volumetric measuring dosing chamber dosing free-flowing material prior to packaging dosing glue dosing head