Design process of an engineering structure is an iterative modification process.
工程结构的设计过程是一个反复修改的迭代过程。
Responsible for the assembly process regulation establishment and modification work of section's product.
负责所辖工段产品的装配工艺规程编制、修改工作。
Modification of the Bessemer process for converting pig iron into steel.
修正柏塞麦炼钢法将生铁炼成钢的一种方法。
Small pelletized raw meal with smooth surface were obtained through the modification of pelletization process.
通过改进成球工艺，使料球小而光滑；
Small pelletized raw meal with smooth surface were obtained through the modification of pelletization process.
通过改进成球工艺，使料球小而光滑；
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