国外先进技术和设备的引进，各类大型制酸装置的国产化设计，使我国的硫酸工程设计水平大为提高。
Introduction of advanced technique and equipment from abroad and domestic design of large scale plants improve China's sulphuric acid engineering level.
介绍一种新的硫磺制酸系统干吸流程。
A new drying and absorption process is put forward for sulphur-burning sulphuric acid plant.
高速离心鼓风机是冶炼烟气制酸系统的关键设备。
High speed centrifugal blowers are key equipment in sulfuric acid production system with waste gases from zinc metallurgy.
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