基本解釋[毉葯科學(xué)]正畸保持器英漢例句雙語例句Objective To discuss the affection of dropping reasons of direct past orthodontic retainer bracket.目的探討影響直接法粘接托糟脫落的因素。orthodontic retainer更多例句專業(yè)釋義毉葯科學(xué)正畸保持器