单词：preservative-treated
preservative-treated的用法和样例：
例句
- New timber should be treated with a preservative.新采的圆木应进行防腐处理。
- Moreover, at the end of itslife, wood that has been treated with preservatives in this way needs to be disposed of carefully.近一步讲，使用这种方式进行防腐处理的木材在使用寿命将尽的时候必须被小心处理。
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