cavity walls

同根派生

英汉例句

• SEM showed that the bonding resin can adhere tightly to the cavity wall and amalgam.
  对照组合金与洞壁间可见明显间隙。
• The calibration of a closed throat will not suffice if the walls are removed to make an open throat.
  如拆走洞壁形成一个开口试验段，则闭口试验段用的校测结果就不够充分了。