词汇	dual element
释义	dual element 对偶元素
随便看	centricpetal venous pulse centric position centric reduction gear centric region centric relation centric relation arc centric relation bite Centric Relation,Dental centric relation occlusion centric relation of jaws centric relation position centric relation record centric relation record value centric relation registration centric relationship centric ring centric shift centric sleep apnea centric slide centric slider-crank mechanism centric split centric stop centric tentative jaw relation centric texture Centric venous catheter