part per billion(ppb)
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英式发音
词典收录
英文单词: | part per billion(ppb) |
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中文翻译: | 十亿分之一 |
词汇解析
十亿分之一
常见用法
part per billion(ppb) 的常见用法:
- part per billion(ppb) of
- the part per billion(ppb)
- part per billion(ppb)s
最新更新单词
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更新时间:2025-04-23 15:24:00