The design principle and primary parameters' computing on the Gas Trap Hood of the equipment pumping cooking oil fumes is introduced in this paper.

详细论述了抽油烟机集气罩的设计原理，以及主要参数的确定方法。

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The importance of this proprietary view of game can be seen in the Robin Hood legends, in which one of the primary charges against the outlaws is that they "hunt the King's deer".

该专利的重要性，游戏中可以看到的罗宾汉的传说，其中，对不法分子的主要罪名之一，是他们“狩猎国王的鹿”。

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