In order to improve the efficiency and prolong the life of the fan, it is necessary to command the gas and solid two phase flow patternmaster in the fan.
为了提高风机效率、延长风机寿命，所以掌握风机内部气、固两相流动规律是十分必要的。
2
Master this pattern as well as the other patterns, and you really can master English step by step.
掌握这个模式以及其他所有的模式，你就可以一步一步地掌握英语。
3
So finding patterns in death is how we master our own mortality, says Eck, and three is the essential pattern.