在忠县天然气净化厂工程中要吊装尾气烟囱塔架。
The tail gas chimney tower frame in Zhong county natural gas purifying project was needed to hoist.
旨在总结现有经验，提高天然气净化厂通信设计水平。
It is intended to raise design level of communication system of the plant through summing-up of existing experience.
采用火灾爆炸指数法对天然气净化厂生产装置进行了安全评估。
Using the method of fire and explosion indexes, a safety assessment is made of the production device in a gas-cleaning plant.
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