基本解释[医药科学]牙裂沟封闭剂英汉例句双语例句Objective: To evaluate the effect of pit and fissure sealant as dental adhesive for silver amalgam.前言： 目的：对窝沟封闭剂作为银汞合金充填的粘结剂进行实验研究。dental fissure sealant更多例句专业释义医药科学牙裂沟封闭剂