题型:名词解释 金属烤瓷冠的金瓷衔接线的位置设计,主要考虑()A.保证瓷层有足够的厚度B.避免形成锐角引起应力集中C.避开直接承受力D.避开直接暴露于唇颊面影响美观E.利于金属肩台承受瓷层传导力 查看答案
题型:名词解释 Lucy liked all the dresses there, but she took the ______one to save as much money as possible for Project Hope.A.cheaperB.more expensiveC.cheapestD.most expensive 查看答案