“double pressure Crowder system”的概念、定义、翻译、参考文献-科学参考

单词	double pressure Crowder system
释义	double pressure Crowder system Encyclopedia 工学除氖氢氦外的液化系统释 double pressure Crowder system其他带膨胀机的液化系统利用膨胀机产生温降和冷量，实现气体液化的低温系统。
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