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You put the standard mass here and you put some other fellow at the mass you're looking at there.
把标准质量放在这里,然后把待测物体放在这里
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$firstVoiceSent
- 来自原声例句
You put the standard mass here and you put some other fellow at the mass you're looking at there.
把标准质量放在这里,然后把待测物体放在这里
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