当空气进一步冷却到容纳更多水汽的能力为零(的那一点)时，饱和状态就达到了。
When air is cooled to a point at which the air's capacity to hold more water vapor is zero, saturation is reached.
介绍了粘胶纤维厂以生产中需要加热的软水为制冷系统的部分冷却水达到部分利用制冷系统的压缩热的设计方案。
The refrigeration system design method that fully USES the refrigeration compressor heat to economize energy and to reduce the production cost is introduced.
研究结果表明，冷却强度是晶粒细化的最主要因素，极差为57.946，可信度达到99%，其次是保温时间与浇注温度。
The results indicate, the main factor for grain refinement is cooling intensity, its polar odds is 57.946 and reliability is 99%. The next facts are preservation time and pouring temperature.
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