... 1.真空容器；真空室vacuum chamber： 2.封离真空装置sealed vacuum device： 3.真空钟罩vacuum bell jar： ...
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Reliability of the sealed vacuum device is very important, and the main reason that affects reliability is its vacuum.
密封电真空器件的可靠性尤其重要，而影响其可靠性的主要因素是真空度。
The utility model discloses a sealed pressurizing ceramic vacuum filter machine device, comprising a ceramic disk filter machine.
本实用新型公开了一种密封式加压陶瓷真空过滤机装置。
Sealed heating device, vacuum shaping to match the upper and the last.
利用密封式加热，真空成型，使鞋面与楦头吻合。
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