Why don't know, in the brain of small fox on moving, a no agreeable mind an Shan but guide, is it the surprised Yan Hong that went to a winds and smokes mainland?

不知道为什么，小狐的脑中一动，一个不好的念头一闪而过，难道是燕惊鸿去了风云大陆？

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One bird Yan, which is named Peng, back if the Tai-shan (43), wing if the cloud hanging days;

有鸟焉，其名为鹏，背若太山（43），翼若垂天之云；

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This paper analyzed the revamping of ethylene plants in YAN-SHAN Petro-chemical Inc. and that abroad, the economic scale and the ways of re-vamping in ethylene plant are also discussed.

本文分析了国外以及燕山石化公司乙烯装置的技术改造，论述了乙烯装置改造的经济规模及其途径。

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