Screen protection against radiation overdose of radioactive level gauge in chemical plant and the relevant national standards are introduced.
针对化工生产装置常用的放射性液位计和国家标准，介绍射线剂量超标的屏蔽防护方法。
Reclaiming and utilizing of steam condensation water is an important measure of saving energy and environment protection in chemical fibre plant.
蒸汽冷凝水回收是节能和环保的一项重要措施。
The key to the question of making the Chemical Fiber Plant meet the environmental protection target is to treat the effluent from terephthalic acid and polyester equipment.
对苯二甲酸和聚酯装置废水的处理是制约化纤厂环保达标的关键。
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