The device is equipped with a cryogenic pump, an oil diffusion pump and a mechanical pump.
该机抽气系统由低温泵、扩散泵和机械泵组成。
It reveals the essence of the backstreaming of diffusion pump and provides a theoretical basis for reducing the backstreaming of diffusion pump.
揭示了扩散泵返流的实质，为减少扩散泵返流提供了理论依据。
Gonghua brand series diffusion pump oil is the work fluid used by metal diffusion pumps and glass diffusion pumps in the process of vacuum pumping.
巩华牌系列扩散泵油是金属扩散泵及玻璃扩散泵真空抽气时使用的工作液。
Gonghua brand series diffusion pump oil is the work fluid used by metal diffusion pumps and glass diffusion pumps in the process of vacuum pumping.
巩华牌系列扩散泵油是金属扩散泵及玻璃扩散泵真空抽气时使用的工作液。
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