单词：parametron
音标：[,pærә'metrәn] ；
[计] 变参数元件
单词：parametron 相关文章
RAY SUAREZ: And we turn to the reaction to the president's proposals on guns, mental health and school safety. JAY CARNEY, White House: The fact that's it's not easy doesn't mean we shouldn't try. RAY SUAREZ:A day after President Obama announced his
发表于:2019-01-27 / 阅读(221) / 评论(0)
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