弹簧 tánhuáng spring Origin Definitions Defs Strokes Stroke Words Sentences Sents 弹簧刀 tánhuángdāo switchblade a folding knife with a blade that opens automatically under spring pressure when a button or lever is pressed弹簧锁 tánhuángsuǒ spring lock 弹簧秤 tánhuángchèng spring balance 弹簧门 tánhuángmén swing door 弹簧垫圈 tánhuángdiànquān spring washer