常見例句SEM showed that the bonding resin can adhere tightly to the cavity wall and amalgam.對(duì)照組合金與洞壁間可見明顯間隙。The calibration of a closed throat will not suffice if the walls are removed to make an open throat.如拆走洞壁形成一個(gè)開口試驗(yàn)段，則閉口試驗(yàn)段用的校測(cè)結(jié)果就不夠充分了。 返回 cavity walls