The cryogenic vacuum chamber is the key part of the system, which provides a necessary environment for the cryogenic vacuum experiment of the optical element.
其中低温真空腔体是该系统中关键的装置，为光学元件的低温真空实验提供了必要的条件。
The cryogenic vacuum chamber is the key part of the system, which provides a necessary environment for the cryogenic vacuum experiment of the optical element.
其中低温真空腔体是该系统中关键的装置，为光学元件的低温真空实验提供了必要的条件。
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