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life of SEN; SEN life (Subsequent refinement of mold practices and SEN design results in achieving a 13 heat (599 minute) SEN life and a monthly average of over 8 heats per SEN. 由于结晶器操作和浸人式水口设计的持续改进,浸人式水口寿命已达到13炉(历时 599min), 月平均浸人式水口寿命超过 8 炉。) |
浸 人 式水口寿命 : 3 phrases in 1 subject |
Metallurgy | 3 |