对精馏塔各种塔料气体分布器的结构进行了分析对比，开发与改进了双切向环流式气体分布器。

Based on the analysis and comparison of configurations of feeding gas distributors in rectification towers, the bitangent direction circulating type gas distributor was developed and improved.

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优化设计中采用连续的锥形双切向浇注系统和较大的浇口尺寸，使浇注面积增加，浇注速度略微降低。

The design is improved by using a continuous double tangential tapered gating system and a bigger size runner. The gate area is increased and the gating speed is slightly reduced.

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但是从一开始我就喜欢这两个孩子。他们就是我原本想从一双儿女身上得到的一切。

But I liked the kids from the start. They were everything I could have wanted in a son and daughter.

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