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parts per million
parts per million
英
[parts per million]
美
[parts per million]
中文释义
[医] 兆比率(百万分之几)
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单词结构:
parts per million
字母数:17
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单词拼写:parts per million
核心含义:[医] 兆比率(百万分之几)
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更新时间:2026-03-18 13:51:56