[化] 溅射离子泵

sputter ion pump的用法和样例：

例句

In addition, average angular information is taken from adjacent segments and the incident ion beam.另外，可以从邻近线段和入射离子束取得平均角度的信息。

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ATTENDANT: Can I help you, sir? SAM: Yes, I've been sitting here for a few minutes. I'm waiting for someone to put gas in my car. ATTENDANT: I'm sorry, sir. But this is the self-service pump. SAM: Self-service? ATTENDANT: Yes. You must fill up the

发表于:2018-11-28 / 阅读(307) / 评论(0)

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发表于:2019-01-12 / 阅读(143) / 评论(0)

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3-hydroxymethylantipyrine

adjoining addressing

agricultural expenditure