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来源:雅诚德英语网
In this paper the quadrupole mass spectrographic analysis of the operation characteristics of Zr-Al pump is described and some questions which deserve to study and improve.
本文叙述了锆铝泵工作特性的四极质谱分析,以及值得讨论及改进的问题。
In this paper the quadrupole mass spectrographic analysis of the operation characteristics of Zr-Al pump is described and some questions which deserve to study and improve.
本文叙述了锆铝泵工作特性的四极质谱分析,以及值得讨论及改进的问题。