“Pierce electron gun”的概念、定义、翻译、参考文献-科学参考

单词	Pierce electron gun
释义	Pierce electron gun Encyclopedia 工学电子枪释 Pierce electron gun皮尔斯电子枪采用美国工程师J.R.皮尔斯[注]提出的理论计算强流电子枪方法设计而成的电子枪。
随便看	steel-belt sorter steel bonded cemented carbide steel braced frame steel braced frame structure system steel bridge steel bridge erection steel bridge fabrication steel building structure steel butt welding machine steel cable steel cage forming machine steel catenary riser steel catenary riser ，SCR steel column steel-concrete composite beam steel-concrete composite structure steel-concrete composite track beam steel connections in timber structures steel content steel cord for radial tyre steel creep steel cutting machine steel dam steel drum Steele Rudd

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