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And, in this case, they had foil that was less than a micrometer thick.
这样的话，他们采用的箔的厚度小于一微米。
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$firstVoiceSent
- 来自原声例句
And, in this case, they had foil that was less than a micrometer thick.
这样的话，他们采用的箔的厚度小于一微米。
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