falling sphere viscometer 落球粘度计 ; 落球黏度计

rolling sphere viscometer 滚球式粘度计 ; 滚球式黏度计

falling-sphere viscometer 沉球式粘度计 ; 落球粘度计 ; 落球黏度计

dropping-sphere viscometer 堕球粘度计

falling g sphere viscometer 落球粘度计

rotating double-sphere dumbbell-type viscometer 旋转双球哑铃式粘度计