A composite pump was developed which is composed of a non evaporable getter pump and a sputtering ion pump.

研制了一种由非蒸散型消气剂泵与冷阴极溅射离子泵组成的复合泵。

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A composite pump was developed which is composed of a non evaporable getter pump and a sputtering ion pump.

研制了一种由非蒸散型消气剂泵与冷阴极溅射离子泵组成的复合泵。

youdao