cavity walls

常見例句

• SEM showed that the bonding resin can adhere tightly to the cavity wall and amalgam.
  對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開口試驗段，則閉口試驗段用的校測結(jié)果就不夠充分了。
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