急急急！！！毕业设计摘要的翻译（不要机器翻译的）

The first step having been in progress designs the section of construction project who designs that contact process changes in the process producing sulfuric acid originally to annual output of 100,000 tons. Adopt three, one twice paragraphs of style to change technological process four paragraphs. Accounting carrying out material and quantity of heat on what be elected technological process, the dimension , the dimension carrying out handicraft on main equipment heat exchanger in technological process calculate the cardinal principle ascertaining the conversion implement , choose a type. And have carried out the core of school on heat passage modulus and area. Design that result indicates a heat exchanger meeting the requirement.

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The design annual production capacity of 100,000 tons of exposure to sulfuric acid production process into a preliminary design section. The use of two three or four paragraphs into a period-style process. T