Some defects have been found in the slab structure by comparison with normal slab in microstructure through microcosmic test.
通过低倍及微观检验观察，将发生低温开裂的铸坯与正常铸坯进行微观组织对比，找出铸态组织中存在的缺陷。
Some defects have been found in the slab structure by comparison with normal slab in microstructure through microcosmic test.
通过低倍及微观检验观察，将发生低温开裂的铸坯与正常铸坯进行微观组织对比，找出铸态组织中存在的缺陷。
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