Analyze the loading of the bottom slab of sluice in the way of elastic grade beam as well as points out the problems in the design program.
采用弹性地基梁的方法，对流槽底板进行了受力分析，并指出以此法进行设计计算时存在的问题。
The transverse cracking rate of the Nb containing slab is far greater than that of other steel grade since the former contains Nb and other cracking susceptive elements.
含铌钢由于含有铌等裂纹敏感性元素，其铸坯横裂纹发生率远远大于其它钢种。
Recently, it has been proven that the casting technology is advanced because the slab grinding ratio of grade 304 is on the same level at the reference plant.
目前，以304钢种为代表的板坯修磨率达到了样板厂水平，板坯表面质量达到了设计要求，工艺设计被证明是合理的。
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