扒渣，意思是挖掘煤矿,铁矿,磷矿,锌矿等矿业。
n. drossing
misc. slagging-off
... 砂模夹渣(铸疵) slagging of sand(slagging of coating) 扒渣 slagging off 出渣槽 slagging spout ...
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重熔铝锭连铸中高温扒渣作业自动化技术 - 中南大学学报（自然科学版、英文版） 关键字: 铝锭;铸造;扒渣;自动化[gap=587]Key words: aluminum ingot; casting; cinder scraping; automation
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... setting count 整定计算 dig up dregs 扒渣 primary evaporator ' s heater 一段蒸发加热器 ...
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用于各种铝合金，除气后迅速扒渣，即可浇铸。
It can be used for various aluminum alloys. Casting may be made immediately after degassing and slagging off.
概述了首钢第三炼钢厂原用扒渣机存在的问题；
This article mentions about the existing problems of the old slagging off machine in No. 3 steel-making factory of Shougang;
采用单喷颗粒镁铁水脱硫与扒渣工艺，改善了转炉冶炼原料铁水条件。
Through using spraying magnesium grain into iron to desulfurize and pushing out the top slag, the sulfur content in the iron was decreased.
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