切割后，工件上的割渣应清理干净。
After cutting, the cutting slag on the work piece should be cleaned.
把纱窗拆下来，然后检查一下是窗户上否存在冰渣、透风的现象。
Remove window screens and check Windows for ice build up or cold air leaks.
在此基础上，提出了连铸无氟保护渣今后研究的方向和重点。
The further study and development trends of this field are also outlined.
在此基础上，提出了连铸无氟保护渣今后研究的方向和重点。
The further study and development trends of this field are also outlined.
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