... tank nozzle 油罐出油口、放出口 teeming nozzle 浇注嘴、盛钢桶注口、柱塞口 throatable nozzle 喉部可调喷管 ...
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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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