When teeming rare earth treated steels the nozzle blockage occurred so frequently that seriously interferes the application of REM in steels.
加稀土的钢在浇注时经常发生水口结瘤，严重影响稀土在钢中的应用。
When teeming rare earth treated steels the nozzle blockage occurred so frequently that seriously interferes the application of REM in steels.
加稀土的钢在浇注时经常发生水口结瘤，严重影响稀土在钢中的应用。
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