基于这个原因，真空干燥机是一个特别适合干燥热敏感材料，降低上述给定的温度，否则将需要一个漫长的干燥周期。

For this reason, a vacuum dryer is especially suited to drying a heat-sensitive material that degrades above a given temperature and would otherwise require a lengthy drying cycle.

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文中提出一种考虑节水因素的凝汽器最佳真空的确定方法，为降低发电成本及减少环境污染提供了一项有效的途径。

This paper gives methods of determining the optimum vacuum of condenser that takes account of the save on cooling water, the methods can help reduce costs and environ.

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降低真空伏辊空气动力性噪声是降低抄纸机噪声的关键。

The key point of reducing noise of paper machine is to reduce aerodynamic noise of vacuum couch.

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