动词短语
中文翻译：清除渣滓
同义词：
['cleaning', 'removing waste']
例句：
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1.The factory needs to remove the slag from the furnace before it can be used again.
工厂需要从炉子中移除废渣，才能再次使用。
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2. The workers were instructed to remove the slag from the blast furnace.
工人们被指示将熔渣从高炉中清除。
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3.The company is investing in new technology to remove slag more efficiently.
该公司正在投资新技术，以更有效地去除废渣。