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\ 抽气设备的例句（抽气设备在句子中的用法）

抽气设备的例句（抽气设备在句子中的用法）

Recent electronic means of pumping using low temperature sorption techniques and getter - ion pumps have been introduced. 现在已经采用了低温吸附技术和吸气离子泵的近代电子抽气设备.

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