求翻译：This machine works with the well known pressure over vacuum concept, thus preferring the perforated flask against the solid ones.是什么意思？

待解决

悬赏分：1 - 离问题结束还有

This machine works with the well known pressure over vacuum concept, thus preferring the perforated flask against the solid ones.

问题补充：

匿名	2013-05-23 12:26:38 这台机器运转的众所周知的压力与真空的概念，因此宁愿对固体的穿孔的瓶。

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