rimming的中文翻译是什么意思

In the case of rimming steel, no or some deoxidation is carried out before casting.

沸腾钢在铸锭前不脱氧或轻度脱氧.

With small portion to be scrapped rimming steel has a high yield of good steel.

由于废弃的部分小,沸腾钢的成材率较高.