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单词
ppb (parts per billion)
释义
ppb (parts per billion)
网络
十亿分之几
网络释义
1.
十亿分之几
化工设备常用词汇和缩写中英文... ... Posit Position 位置
ppb Parts per billion
十亿分之几
ppm Parts per million 百万分之几 ...
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例句
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pitch-on metal
pitch-opal
pitch opal
pitch ore
pitch out
pitch out
pitch out
pitchout
pitch-over
pitch-over
pitch overboard
pitch paver
pitch payer
pitch paying
pitch peat
pitch perception
pitch perfect
pitch-perfect
pitch period
pitchperson
Pitch perturbation
pitch phase detector
pitch phoneme
pitch-pin
pitch pine
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更新时间:2025/8/4 13:08:14