Practice proves that it can largely decrease re-grading occurrence during rolled ship plate rupture tensile test by improving central segregation of slab.
实践证明，降低板坯中心偏析，可大大降低船板轧后拉伸试样断口改判率。
Practice proves that it can largely decrease re-grading occurrence during rolled ship plate rupture tensile test by improving central segregation of slab.
实践证明，降低板坯中心偏析，可大大降低船板轧后拉伸试样断口改判率。
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