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近年来 ,我国对制酸设备的结构、材料进行了大量改进 ,并开发和引进了许多新型高效设备 ,这些是我国制酸设备技术发展的途径。
In recent years, a great deal of improvement has been made in the structure and materials of acid-making equipment in our country, and many new and high-efficient equipment have been developed and introduced. These are the ways for the development of the technology of acid-making equipment in our country.