“oil diffusion ejector pump”的概念、定义、翻译、参考文献-科学参考

单词	oil diffusion ejector pump
释义	oil diffusion ejector pump Encyclopedia 工学真空泵释 oil diffusion ejector pump油扩散喷射泵利用高压、高速和定向流动的油蒸气射流抽气的真空泵。
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