权威例句
Tooth pick holderTooth-pick holderTooth pick holderImprovement in tooth-pick holdersBlack Boot Tooth Pick HolderSnowman Tooth Pick HolderPortable toothpick holder with flat toothpicksParametric Design of Cutting Head of Roadheader and Toothholder Secondary Development Based on UGDisposable dental floss holder and multi-function thereofTooth pick with dental floss holderFinite element analysis of pick and holder on hard rock roadheaderApparatus for sterilizing toothpicks or the likePick holder
